31490392960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 384

約数和(自身を含む): 87583809600

約数和(自身を除く): 56093416640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 43, 46, 52, 64, 65, 80, 86, 89, 92, 104, 115, 128, 130, 160, 172, 178, 184, 208, 215, 230, 260, 299, 320, 344, 356, 368, 416, 430, 445, 460, 520, 559, 598, 640, 688, 712, 736, 832, 860, 890, 920, 989, 1040, 1118, 1157, 1196, 1376, 1424, 1472, 1495, 1664, 1720, 1780, 1840, 1849, 1978, 2047, 2080, 2236, 2314, 2392, 2752, 2795, 2848, 2944, 2990, 3440, 3560, 3680, 3698, 3827, 3956, 4094, 4160, 4472, 4628, 4784, 4945, 5504, 5590, 5696, 5785, 5980, 6880, 7120, 7360, 7396, 7654, 7912, 8188, 8320, 8944, 9245, 9256, 9568, 9890, 10235, 11180, 11392, 11570, 11960, 12857, 13760, 14240, 14720, 14792, 15308, 15824, 16376, 17888, 18490, 18512, 19135, 19136, 19780, 20470, 22360, 23140, 23920, 24037, 25714, 26611, 27520, 28480, 29584, 30616, 31648, 32752, 35776, 36980, 37024, 38270, 38272, 39560, 40940, 42527, 44720, 46280, 47840, 48074, 49751, 51428, 53222, 56960, 59168, 61232, 63296, 64285, 65504, 71552, 73960, 74048, 76540, 79120, 81880, 85054, 88021, 89440, 92560, 95680, 96148, 99502, 102856, 106444, 118336, 120185, 122464, 126592, 128570, 131008, 133055, 147920, 148096, 153080, 158240, 163760, 164561, 170108, 176042, 178880, 185120, 191360, 192296, 199004, 205712, 212635, 212888, 236672, 240370, 244928, 248755, 257140, 262016, 266110, 295840, 306160, 316480, 327520, 329122, 340216, 352084, 357760, 370240, 384592, 398008, 411424, 425270, 425776, 440105, 480740, 489856, 497510, 514280, 532220, 552851, 591680, 612320, 632960, 655040, 658244, 680432, 704168, 740480, 769184, 796016, 822805, 822848, 850540, 851552, 880210, 961480, 995020, 1028560, 1064440, 1105702, 1144273, 1183360, 1224640, 1310080, 1316488, 1360864, 1408336, 1538368, 1592032, 1645610, 1645696, 1701080, 1703104, 1760420, 1922960, 1990040, 2057120, 2128880, 2139293, 2211404, 2288546, 2449280, 2632976, 2721728, 2764255, 2816672, 3076736, 3184064, 3291220, 3402160, 3406208, 3520840, 3784903, 3845920, 3980080, 4114240, 4257760, 4278586, 4422808, 4577092, 5265952, 5443456, 5528510, 5633344, 5721365, 6368128, 6582440, 6804320, 7041680, 7569806, 7691840, 7960160, 8228480, 8515520, 8557172, 8845616, 9154184, 10531904, 10696465, 11057020, 11266688, 11442730, 13164880, 13608640, 14083360, 15139612, 15383680, 15920320, 17031040, 17114344, 17691232, 18308368, 18924515, 21063808, 21392930, 22114040, 22885460, 26329760, 27217280, 28166720, 30279224, 31840640, 34228688, 35382464, 36616736, 37849030, 42785860, 44228080, 45770920, 49203739, 52659520, 56333440, 60558448, 68457376, 70764928, 73233472, 75698060, 85571720, 88456160, 91541840, 98407478, 105319040, 121116896, 136914752, 146466944, 151396120, 171143440, 176912320, 183083680, 196814956, 242233792, 246018695, 273829504, 302792240, 342286880, 353824640, 366167360, 393629912, 484467584, 492037390, 605584480, 684573760, 732334720, 787259824, 984074780, 1211168960, 1369147520, 1574519648, 1968149560, 2422337920, 3149039296, 3936299120, 6298078592, 7872598240, 15745196480, 31490392960]

約数ペア:

[(1, 31490392960), (2, 15745196480), (4, 7872598240), (5, 6298078592), (8, 3936299120), (10, 3149039296), (13, 2422337920), (16, 1968149560), (20, 1574519648), (23, 1369147520), (26, 1211168960), (32, 984074780), (40, 787259824), (43, 732334720), (46, 684573760), (52, 605584480), (64, 492037390), (65, 484467584), (80, 393629912), (86, 366167360), (89, 353824640), (92, 342286880), (104, 302792240), (115, 273829504), (128, 246018695), (130, 242233792), (160, 196814956), (172, 183083680), (178, 176912320), (184, 171143440), (208, 151396120), (215, 146466944), (230, 136914752), (260, 121116896), (299, 105319040), (320, 98407478), (344, 91541840), (356, 88456160), (368, 85571720), (416, 75698060), (430, 73233472), (445, 70764928), (460, 68457376), (520, 60558448), (559, 56333440), (598, 52659520), (640, 49203739), (688, 45770920), (712, 44228080), (736, 42785860), (832, 37849030), (860, 36616736), (890, 35382464), (920, 34228688), (989, 31840640), (1040, 30279224), (1118, 28166720), (1157, 27217280), (1196, 26329760), (1376, 22885460), (1424, 22114040), (1472, 21392930), (1495, 21063808), (1664, 18924515), (1720, 18308368), (1780, 17691232), (1840, 17114344), (1849, 17031040), (1978, 15920320), (2047, 15383680), (2080, 15139612), (2236, 14083360), (2314, 13608640), (2392, 13164880), (2752, 11442730), (2795, 11266688), (2848, 11057020), (2944, 10696465), (2990, 10531904), (3440, 9154184), (3560, 8845616), (3680, 8557172), (3698, 8515520), (3827, 8228480), (3956, 7960160), (4094, 7691840), (4160, 7569806), (4472, 7041680), (4628, 6804320), (4784, 6582440), (4945, 6368128), (5504, 5721365), (5590, 5633344), (5696, 5528510), (5785, 5443456), (5980, 5265952), (6880, 4577092), (7120, 4422808), (7360, 4278586), (7396, 4257760), (7654, 4114240), (7912, 3980080), (8188, 3845920), (8320, 3784903), (8944, 3520840), (9245, 3406208), (9256, 3402160), (9568, 3291220), (9890, 3184064), (10235, 3076736), (11180, 2816672), (11392, 2764255), (11570, 2721728), (11960, 2632976), (12857, 2449280), (13760, 2288546), (14240, 2211404), (14720, 2139293), (14792, 2128880), (15308, 2057120), (15824, 1990040), (16376, 1922960), (17888, 1760420), (18490, 1703104), (18512, 1701080), (19135, 1645696), (19136, 1645610), (19780, 1592032), (20470, 1538368), (22360, 1408336), (23140, 1360864), (23920, 1316488), (24037, 1310080), (25714, 1224640), (26611, 1183360), (27520, 1144273), (28480, 1105702), (29584, 1064440), (30616, 1028560), (31648, 995020), (32752, 961480), (35776, 880210), (36980, 851552), (37024, 850540), (38270, 822848), (38272, 822805), (39560, 796016), (40940, 769184), (42527, 740480), (44720, 704168), (46280, 680432), (47840, 658244), (48074, 655040), (49751, 632960), (51428, 612320), (53222, 591680), (56960, 552851), (59168, 532220), (61232, 514280), (63296, 497510), (64285, 489856), (65504, 480740), (71552, 440105), (73960, 425776), (74048, 425270), (76540, 411424), (79120, 398008), (81880, 384592), (85054, 370240), (88021, 357760), (89440, 352084), (92560, 340216), (95680, 329122), (96148, 327520), (99502, 316480), (102856, 306160), (106444, 295840), (118336, 266110), (120185, 262016), (122464, 257140), (126592, 248755), (128570, 244928), (131008, 240370), (133055, 236672), (147920, 212888), (148096, 212635), (153080, 205712), (158240, 199004), (163760, 192296), (164561, 191360), (170108, 185120), (176042, 178880)]