255131240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 384

約数和(自身を含む): 827366400

約数和(自身を除く): 572235160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 19, 20, 26, 28, 31, 34, 35, 38, 40, 49, 52, 56, 62, 65, 68, 70, 76, 85, 91, 95, 98, 104, 119, 124, 130, 133, 136, 140, 152, 155, 170, 182, 190, 196, 217, 221, 238, 245, 247, 248, 260, 266, 280, 310, 323, 340, 364, 380, 392, 403, 434, 442, 455, 476, 490, 494, 520, 527, 532, 589, 595, 620, 637, 646, 665, 680, 728, 760, 806, 833, 868, 884, 910, 931, 952, 980, 988, 1054, 1064, 1085, 1105, 1178, 1190, 1235, 1240, 1274, 1292, 1330, 1519, 1547, 1612, 1615, 1666, 1729, 1736, 1768, 1820, 1862, 1960, 1976, 2015, 2108, 2170, 2210, 2261, 2356, 2380, 2470, 2548, 2584, 2635, 2660, 2821, 2945, 3038, 3094, 3185, 3224, 3230, 3332, 3458, 3640, 3689, 3724, 4030, 4123, 4165, 4199, 4216, 4340, 4420, 4522, 4655, 4712, 4760, 4940, 5096, 5270, 5320, 5642, 5890, 6076, 6188, 6370, 6460, 6664, 6851, 6916, 7378, 7448, 7595, 7657, 7735, 8060, 8246, 8330, 8398, 8645, 8680, 8840, 9044, 9310, 9880, 10013, 10540, 10829, 11284, 11305, 11780, 12103, 12152, 12376, 12740, 12920, 13702, 13832, 14105, 14756, 15190, 15314, 15470, 15827, 16120, 16492, 16660, 16796, 17290, 18088, 18445, 18620, 19747, 20026, 20615, 20995, 21080, 21658, 22568, 22610, 23560, 24206, 25480, 25823, 27404, 28210, 28861, 29393, 29512, 30380, 30628, 30940, 31654, 32984, 33320, 33592, 34255, 34580, 36890, 37240, 38285, 39494, 40052, 41230, 41990, 43316, 45220, 47957, 48412, 50065, 51646, 53599, 54145, 54808, 56420, 57722, 58786, 60515, 60760, 61256, 61880, 63308, 68510, 69160, 70091, 73780, 76570, 78988, 79135, 80104, 82460, 83980, 86632, 90440, 95914, 96824, 98735, 100130, 103292, 107198, 108290, 112840, 115444, 117572, 121030, 126616, 129115, 130169, 137020, 140182, 144305, 146965, 147560, 153140, 157976, 158270, 164920, 167960, 191828, 197470, 200260, 205751, 206584, 214396, 216580, 230888, 235144, 239785, 242060, 258230, 260338, 267995, 274040, 280364, 288610, 293930, 306280, 316540, 335699, 350455, 375193, 383656, 394940, 400520, 411502, 428792, 433160, 479570, 484120, 490637, 516460, 520676, 535990, 560728, 577220, 587860, 633080, 650845, 671398, 700910, 750386, 789880, 823004, 911183, 959140, 981274, 1028755, 1032920, 1041352, 1071980, 1154440, 1175720, 1301690, 1342796, 1401820, 1500772, 1646008, 1678495, 1822366, 1875965, 1918280, 1962548, 2057510, 2143960, 2453185, 2603380, 2685592, 2803640, 3001544, 3356990, 3644732, 3751930, 3925096, 4115020, 4555915, 4906370, 5206760, 6378281, 6713980, 7289464, 7503860, 8230040, 9111830, 9812740, 12756562, 13427960, 15007720, 18223660, 19625480, 25513124, 31891405, 36447320, 51026248, 63782810, 127565620, 255131240]

約数ペア:

[(1, 255131240), (2, 127565620), (4, 63782810), (5, 51026248), (7, 36447320), (8, 31891405), (10, 25513124), (13, 19625480), (14, 18223660), (17, 15007720), (19, 13427960), (20, 12756562), (26, 9812740), (28, 9111830), (31, 8230040), (34, 7503860), (35, 7289464), (38, 6713980), (40, 6378281), (49, 5206760), (52, 4906370), (56, 4555915), (62, 4115020), (65, 3925096), (68, 3751930), (70, 3644732), (76, 3356990), (85, 3001544), (91, 2803640), (95, 2685592), (98, 2603380), (104, 2453185), (119, 2143960), (124, 2057510), (130, 1962548), (133, 1918280), (136, 1875965), (140, 1822366), (152, 1678495), (155, 1646008), (170, 1500772), (182, 1401820), (190, 1342796), (196, 1301690), (217, 1175720), (221, 1154440), (238, 1071980), (245, 1041352), (247, 1032920), (248, 1028755), (260, 981274), (266, 959140), (280, 911183), (310, 823004), (323, 789880), (340, 750386), (364, 700910), (380, 671398), (392, 650845), (403, 633080), (434, 587860), (442, 577220), (455, 560728), (476, 535990), (490, 520676), (494, 516460), (520, 490637), (527, 484120), (532, 479570), (589, 433160), (595, 428792), (620, 411502), (637, 400520), (646, 394940), (665, 383656), (680, 375193), (728, 350455), (760, 335699), (806, 316540), (833, 306280), (868, 293930), (884, 288610), (910, 280364), (931, 274040), (952, 267995), (980, 260338), (988, 258230), (1054, 242060), (1064, 239785), (1085, 235144), (1105, 230888), (1178, 216580), (1190, 214396), (1235, 206584), (1240, 205751), (1274, 200260), (1292, 197470), (1330, 191828), (1519, 167960), (1547, 164920), (1612, 158270), (1615, 157976), (1666, 153140), (1729, 147560), (1736, 146965), (1768, 144305), (1820, 140182), (1862, 137020), (1960, 130169), (1976, 129115), (2015, 126616), (2108, 121030), (2170, 117572), (2210, 115444), (2261, 112840), (2356, 108290), (2380, 107198), (2470, 103292), (2548, 100130), (2584, 98735), (2635, 96824), (2660, 95914), (2821, 90440), (2945, 86632), (3038, 83980), (3094, 82460), (3185, 80104), (3224, 79135), (3230, 78988), (3332, 76570), (3458, 73780), (3640, 70091), (3689, 69160), (3724, 68510), (4030, 63308), (4123, 61880), (4165, 61256), (4199, 60760), (4216, 60515), (4340, 58786), (4420, 57722), (4522, 56420), (4655, 54808), (4712, 54145), (4760, 53599), (4940, 51646), (5096, 50065), (5270, 48412), (5320, 47957), (5642, 45220), (5890, 43316), (6076, 41990), (6188, 41230), (6370, 40052), (6460, 39494), (6664, 38285), (6851, 37240), (6916, 36890), (7378, 34580), (7448, 34255), (7595, 33592), (7657, 33320), (7735, 32984), (8060, 31654), (8246, 30940), (8330, 30628), (8398, 30380), (8645, 29512), (8680, 29393), (8840, 28861), (9044, 28210), (9310, 27404), (9880, 25823), (10013, 25480), (10540, 24206), (10829, 23560), (11284, 22610), (11305, 22568), (11780, 21658), (12103, 21080), (12152, 20995), (12376, 20615), (12740, 20026), (12920, 19747), (13702, 18620), (13832, 18445), (14105, 18088), (14756, 17290), (15190, 16796), (15314, 16660), (15470, 16492), (15827, 16120)]