74873920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 112

約数和(自身を含む): 197510400

約数和(自身を除く): 122636480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 160, 176, 178, 220, 239, 320, 352, 356, 440, 445, 478, 704, 712, 880, 890, 956, 979, 1195, 1424, 1760, 1780, 1912, 1958, 2390, 2629, 2848, 3520, 3560, 3824, 3916, 4780, 4895, 5258, 5696, 7120, 7648, 7832, 9560, 9790, 10516, 13145, 14240, 15296, 15664, 19120, 19580, 21032, 21271, 26290, 28480, 31328, 38240, 39160, 42064, 42542, 52580, 62656, 76480, 78320, 84128, 85084, 105160, 106355, 156640, 168256, 170168, 210320, 212710, 233981, 313280, 340336, 420640, 425420, 467962, 680672, 841280, 850840, 935924, 1169905, 1361344, 1701680, 1871848, 2339810, 3403360, 3743696, 4679620, 6806720, 7487392, 9359240, 14974784, 18718480, 37436960, 74873920]

約数ペア:

[(1, 74873920), (2, 37436960), (4, 18718480), (5, 14974784), (8, 9359240), (10, 7487392), (11, 6806720), (16, 4679620), (20, 3743696), (22, 3403360), (32, 2339810), (40, 1871848), (44, 1701680), (55, 1361344), (64, 1169905), (80, 935924), (88, 850840), (89, 841280), (110, 680672), (160, 467962), (176, 425420), (178, 420640), (220, 340336), (239, 313280), (320, 233981), (352, 212710), (356, 210320), (440, 170168), (445, 168256), (478, 156640), (704, 106355), (712, 105160), (880, 85084), (890, 84128), (956, 78320), (979, 76480), (1195, 62656), (1424, 52580), (1760, 42542), (1780, 42064), (1912, 39160), (1958, 38240), (2390, 31328), (2629, 28480), (2848, 26290), (3520, 21271), (3560, 21032), (3824, 19580), (3916, 19120), (4780, 15664), (4895, 15296), (5258, 14240), (5696, 13145), (7120, 10516), (7648, 9790), (7832, 9560)]