91381120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 238606560

約数和(自身を除く): 147225440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 128, 136, 148, 160, 170, 185, 227, 272, 296, 320, 340, 370, 454, 544, 592, 629, 640, 680, 740, 908, 1088, 1135, 1184, 1258, 1360, 1480, 1816, 2176, 2270, 2368, 2516, 2720, 2960, 3145, 3632, 3859, 4540, 4736, 5032, 5440, 5920, 6290, 7264, 7718, 8399, 9080, 10064, 10880, 11840, 12580, 14528, 15436, 16798, 18160, 19295, 20128, 23680, 25160, 29056, 30872, 33596, 36320, 38590, 40256, 41995, 50320, 61744, 67192, 72640, 77180, 80512, 83990, 100640, 123488, 134384, 142783, 145280, 154360, 167980, 201280, 246976, 268768, 285566, 308720, 335960, 402560, 493952, 537536, 571132, 617440, 671920, 713915, 1075072, 1142264, 1234880, 1343840, 1427830, 2284528, 2469760, 2687680, 2855660, 4569056, 5375360, 5711320, 9138112, 11422640, 18276224, 22845280, 45690560, 91381120]

約数ペア:

[(1, 91381120), (2, 45690560), (4, 22845280), (5, 18276224), (8, 11422640), (10, 9138112), (16, 5711320), (17, 5375360), (20, 4569056), (32, 2855660), (34, 2687680), (37, 2469760), (40, 2284528), (64, 1427830), (68, 1343840), (74, 1234880), (80, 1142264), (85, 1075072), (128, 713915), (136, 671920), (148, 617440), (160, 571132), (170, 537536), (185, 493952), (227, 402560), (272, 335960), (296, 308720), (320, 285566), (340, 268768), (370, 246976), (454, 201280), (544, 167980), (592, 154360), (629, 145280), (640, 142783), (680, 134384), (740, 123488), (908, 100640), (1088, 83990), (1135, 80512), (1184, 77180), (1258, 72640), (1360, 67192), (1480, 61744), (1816, 50320), (2176, 41995), (2270, 40256), (2368, 38590), (2516, 36320), (2720, 33596), (2960, 30872), (3145, 29056), (3632, 25160), (3859, 23680), (4540, 20128), (4736, 19295), (5032, 18160), (5440, 16798), (5920, 15436), (6290, 14528), (7264, 12580), (7718, 11840), (8399, 10880), (9080, 10064)]