263415680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 256

約数和(自身を含む): 761425920

約数和(自身を除く): 498010240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 32, 34, 40, 44, 55, 62, 64, 68, 71, 80, 85, 88, 110, 124, 128, 136, 142, 155, 160, 170, 176, 187, 220, 248, 272, 284, 310, 320, 340, 341, 352, 355, 374, 440, 496, 527, 544, 568, 620, 640, 680, 682, 704, 710, 748, 781, 880, 935, 992, 1054, 1088, 1136, 1207, 1240, 1360, 1364, 1408, 1420, 1496, 1562, 1705, 1760, 1870, 1984, 2108, 2176, 2201, 2272, 2414, 2480, 2635, 2720, 2728, 2840, 2992, 3124, 3410, 3520, 3740, 3905, 3968, 4216, 4402, 4544, 4828, 4960, 5270, 5440, 5456, 5680, 5797, 5984, 6035, 6248, 6820, 7040, 7480, 7810, 8432, 8804, 9088, 9656, 9920, 10540, 10880, 10912, 11005, 11360, 11594, 11968, 12070, 12496, 13277, 13640, 14960, 15620, 16864, 17608, 19312, 19840, 21080, 21824, 22010, 22720, 23188, 23936, 24140, 24211, 24992, 26554, 27280, 28985, 29920, 31240, 33728, 35216, 37417, 38624, 42160, 43648, 44020, 45440, 46376, 48280, 48422, 49984, 53108, 54560, 57970, 59840, 62480, 66385, 67456, 70432, 74834, 77248, 84320, 88040, 92752, 96560, 96844, 99968, 106216, 109120, 115940, 119680, 121055, 124960, 132770, 140864, 149668, 154496, 168640, 176080, 185504, 187085, 193120, 193688, 212432, 218240, 231880, 242110, 249920, 265540, 281728, 299336, 337280, 352160, 371008, 374170, 386240, 387376, 411587, 424864, 463760, 484220, 499840, 531080, 598672, 704320, 742016, 748340, 772480, 774752, 823174, 849728, 927520, 968440, 1062160, 1197344, 1408640, 1496680, 1549504, 1646348, 1699456, 1855040, 1936880, 2057935, 2124320, 2394688, 2993360, 3099008, 3292696, 3710080, 3873760, 4115870, 4248640, 4789376, 5986720, 6585392, 7747520, 8231740, 8497280, 11973440, 13170784, 15495040, 16463480, 23946880, 26341568, 32926960, 52683136, 65853920, 131707840, 263415680]

約数ペア:

[(1, 263415680), (2, 131707840), (4, 65853920), (5, 52683136), (8, 32926960), (10, 26341568), (11, 23946880), (16, 16463480), (17, 15495040), (20, 13170784), (22, 11973440), (31, 8497280), (32, 8231740), (34, 7747520), (40, 6585392), (44, 5986720), (55, 4789376), (62, 4248640), (64, 4115870), (68, 3873760), (71, 3710080), (80, 3292696), (85, 3099008), (88, 2993360), (110, 2394688), (124, 2124320), (128, 2057935), (136, 1936880), (142, 1855040), (155, 1699456), (160, 1646348), (170, 1549504), (176, 1496680), (187, 1408640), (220, 1197344), (248, 1062160), (272, 968440), (284, 927520), (310, 849728), (320, 823174), (340, 774752), (341, 772480), (352, 748340), (355, 742016), (374, 704320), (440, 598672), (496, 531080), (527, 499840), (544, 484220), (568, 463760), (620, 424864), (640, 411587), (680, 387376), (682, 386240), (704, 374170), (710, 371008), (748, 352160), (781, 337280), (880, 299336), (935, 281728), (992, 265540), (1054, 249920), (1088, 242110), (1136, 231880), (1207, 218240), (1240, 212432), (1360, 193688), (1364, 193120), (1408, 187085), (1420, 185504), (1496, 176080), (1562, 168640), (1705, 154496), (1760, 149668), (1870, 140864), (1984, 132770), (2108, 124960), (2176, 121055), (2201, 119680), (2272, 115940), (2414, 109120), (2480, 106216), (2635, 99968), (2720, 96844), (2728, 96560), (2840, 92752), (2992, 88040), (3124, 84320), (3410, 77248), (3520, 74834), (3740, 70432), (3905, 67456), (3968, 66385), (4216, 62480), (4402, 59840), (4544, 57970), (4828, 54560), (4960, 53108), (5270, 49984), (5440, 48422), (5456, 48280), (5680, 46376), (5797, 45440), (5984, 44020), (6035, 43648), (6248, 42160), (6820, 38624), (7040, 37417), (7480, 35216), (7810, 33728), (8432, 31240), (8804, 29920), (9088, 28985), (9656, 27280), (9920, 26554), (10540, 24992), (10880, 24211), (10912, 24140), (11005, 23936), (11360, 23188), (11594, 22720), (11968, 22010), (12070, 21824), (12496, 21080), (13277, 19840), (13640, 19312), (14960, 17608), (15620, 16864)]