47893760

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 127153152

約数和(自身を除く): 79259392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 71, 80, 85, 124, 128, 136, 142, 155, 160, 170, 248, 256, 272, 284, 310, 320, 340, 355, 496, 527, 544, 568, 620, 640, 680, 710, 992, 1054, 1088, 1136, 1207, 1240, 1280, 1360, 1420, 1984, 2108, 2176, 2201, 2272, 2414, 2480, 2635, 2720, 2840, 3968, 4216, 4352, 4402, 4544, 4828, 4960, 5270, 5440, 5680, 6035, 7936, 8432, 8804, 9088, 9656, 9920, 10540, 10880, 11005, 11360, 12070, 16864, 17608, 18176, 19312, 19840, 21080, 21760, 22010, 22720, 24140, 33728, 35216, 37417, 38624, 39680, 42160, 44020, 45440, 48280, 67456, 70432, 74834, 77248, 84320, 88040, 90880, 96560, 134912, 140864, 149668, 154496, 168640, 176080, 187085, 193120, 281728, 299336, 308992, 337280, 352160, 374170, 386240, 563456, 598672, 674560, 704320, 748340, 772480, 1197344, 1408640, 1496680, 1544960, 2394688, 2817280, 2993360, 4789376, 5986720, 9578752, 11973440, 23946880, 47893760]

約数ペア:

[(1, 47893760), (2, 23946880), (4, 11973440), (5, 9578752), (8, 5986720), (10, 4789376), (16, 2993360), (17, 2817280), (20, 2394688), (31, 1544960), (32, 1496680), (34, 1408640), (40, 1197344), (62, 772480), (64, 748340), (68, 704320), (71, 674560), (80, 598672), (85, 563456), (124, 386240), (128, 374170), (136, 352160), (142, 337280), (155, 308992), (160, 299336), (170, 281728), (248, 193120), (256, 187085), (272, 176080), (284, 168640), (310, 154496), (320, 149668), (340, 140864), (355, 134912), (496, 96560), (527, 90880), (544, 88040), (568, 84320), (620, 77248), (640, 74834), (680, 70432), (710, 67456), (992, 48280), (1054, 45440), (1088, 44020), (1136, 42160), (1207, 39680), (1240, 38624), (1280, 37417), (1360, 35216), (1420, 33728), (1984, 24140), (2108, 22720), (2176, 22010), (2201, 21760), (2272, 21080), (2414, 19840), (2480, 19312), (2635, 18176), (2720, 17608), (2840, 16864), (3968, 12070), (4216, 11360), (4352, 11005), (4402, 10880), (4544, 10540), (4828, 9920), (4960, 9656), (5270, 9088), (5440, 8804), (5680, 8432), (6035, 7936)]