20512890960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^3\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 320

約数和(自身を含む): 69626019840

約数和(自身を除く): 49113128880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 151, 152, 155, 186, 190, 228, 240, 248, 285, 302, 304, 310, 372, 380, 453, 456, 465, 496, 570, 589, 604, 620, 744, 755, 760, 906, 912, 930, 961, 1140, 1178, 1208, 1240, 1488, 1510, 1520, 1767, 1812, 1860, 1922, 2265, 2280, 2356, 2416, 2480, 2869, 2883, 2945, 3020, 3534, 3624, 3720, 3844, 4530, 4560, 4681, 4712, 4805, 5738, 5766, 5890, 6040, 7068, 7248, 7440, 7688, 8607, 8835, 9060, 9362, 9424, 9610, 11476, 11532, 11780, 12080, 14043, 14136, 14345, 14415, 15376, 17214, 17670, 18120, 18259, 18724, 19220, 22952, 23064, 23405, 23560, 28086, 28272, 28690, 28830, 29791, 34428, 35340, 36240, 36518, 37448, 38440, 43035, 45904, 46128, 46810, 47120, 54777, 56172, 57380, 57660, 59582, 68856, 70215, 70680, 73036, 74896, 76880, 86070, 88939, 89373, 91295, 93620, 109554, 112344, 114760, 115320, 119164, 137712, 140430, 141360, 145111, 146072, 148955, 172140, 177878, 178746, 182590, 187240, 219108, 224688, 229520, 230640, 238328, 266817, 273885, 280860, 290222, 292144, 297910, 344280, 355756, 357492, 365180, 374480, 435333, 438216, 444695, 446865, 476656, 533634, 547770, 561720, 566029, 580444, 595820, 688560, 711512, 714984, 725555, 730360, 870666, 876432, 889390, 893730, 1067268, 1095540, 1123440, 1132058, 1160888, 1191640, 1334085, 1423024, 1429968, 1451110, 1460720, 1698087, 1741332, 1778780, 1787460, 2134536, 2176665, 2191080, 2264116, 2321776, 2383280, 2668170, 2757109, 2830145, 2902220, 3396174, 3482664, 3557560, 3574920, 4269072, 4353330, 4382160, 4498441, 4528232, 5336340, 5514218, 5660290, 5804440, 6792348, 6965328, 7115120, 7149840, 8271327, 8490435, 8706660, 8996882, 9056464, 10672680, 11028436, 11320580, 11608880, 13495323, 13584696, 13785545, 16542654, 16980870, 17413320, 17993764, 21345360, 22056872, 22492205, 22641160, 26990646, 27169392, 27571090, 33085308, 33961740, 34826640, 35987528, 41356635, 44113744, 44984410, 45282320, 53981292, 55142180, 66170616, 67476615, 67923480, 71975056, 82713270, 85470379, 89968820, 107962584, 110284360, 132341232, 134953230, 135846960, 165426540, 170940758, 179937640, 215925168, 220568720, 256411137, 269906460, 330853080, 341881516, 359875280, 427351895, 512822274, 539812920, 661706160, 683763032, 854703790, 1025644548, 1079625840, 1282055685, 1367526064, 1709407580, 2051289096, 2564111370, 3418815160, 4102578192, 5128222740, 6837630320, 10256445480, 20512890960]

約数ペア:

[(1, 20512890960), (2, 10256445480), (3, 6837630320), (4, 5128222740), (5, 4102578192), (6, 3418815160), (8, 2564111370), (10, 2051289096), (12, 1709407580), (15, 1367526064), (16, 1282055685), (19, 1079625840), (20, 1025644548), (24, 854703790), (30, 683763032), (31, 661706160), (38, 539812920), (40, 512822274), (48, 427351895), (57, 359875280), (60, 341881516), (62, 330853080), (76, 269906460), (80, 256411137), (93, 220568720), (95, 215925168), (114, 179937640), (120, 170940758), (124, 165426540), (151, 135846960), (152, 134953230), (155, 132341232), (186, 110284360), (190, 107962584), (228, 89968820), (240, 85470379), (248, 82713270), (285, 71975056), (302, 67923480), (304, 67476615), (310, 66170616), (372, 55142180), (380, 53981292), (453, 45282320), (456, 44984410), (465, 44113744), (496, 41356635), (570, 35987528), (589, 34826640), (604, 33961740), (620, 33085308), (744, 27571090), (755, 27169392), (760, 26990646), (906, 22641160), (912, 22492205), (930, 22056872), (961, 21345360), (1140, 17993764), (1178, 17413320), (1208, 16980870), (1240, 16542654), (1488, 13785545), (1510, 13584696), (1520, 13495323), (1767, 11608880), (1812, 11320580), (1860, 11028436), (1922, 10672680), (2265, 9056464), (2280, 8996882), (2356, 8706660), (2416, 8490435), (2480, 8271327), (2869, 7149840), (2883, 7115120), (2945, 6965328), (3020, 6792348), (3534, 5804440), (3624, 5660290), (3720, 5514218), (3844, 5336340), (4530, 4528232), (4560, 4498441), (4681, 4382160), (4712, 4353330), (4805, 4269072), (5738, 3574920), (5766, 3557560), (5890, 3482664), (6040, 3396174), (7068, 2902220), (7248, 2830145), (7440, 2757109), (7688, 2668170), (8607, 2383280), (8835, 2321776), (9060, 2264116), (9362, 2191080), (9424, 2176665), (9610, 2134536), (11476, 1787460), (11532, 1778780), (11780, 1741332), (12080, 1698087), (14043, 1460720), (14136, 1451110), (14345, 1429968), (14415, 1423024), (15376, 1334085), (17214, 1191640), (17670, 1160888), (18120, 1132058), (18259, 1123440), (18724, 1095540), (19220, 1067268), (22952, 893730), (23064, 889390), (23405, 876432), (23560, 870666), (28086, 730360), (28272, 725555), (28690, 714984), (28830, 711512), (29791, 688560), (34428, 595820), (35340, 580444), (36240, 566029), (36518, 561720), (37448, 547770), (38440, 533634), (43035, 476656), (45904, 446865), (46128, 444695), (46810, 438216), (47120, 435333), (54777, 374480), (56172, 365180), (57380, 357492), (57660, 355756), (59582, 344280), (68856, 297910), (70215, 292144), (70680, 290222), (73036, 280860), (74896, 273885), (76880, 266817), (86070, 238328), (88939, 230640), (89373, 229520), (91295, 224688), (93620, 219108), (109554, 187240), (112344, 182590), (114760, 178746), (115320, 177878), (119164, 172140), (137712, 148955), (140430, 146072), (141360, 145111)]