87478440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{467}}^1$

素因数の和:711

約数の個数: 128

約数和(自身を含む): 301916160

約数和(自身を除く): 214437720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 223, 280, 420, 446, 467, 669, 840, 892, 934, 1115, 1338, 1401, 1561, 1784, 1868, 2230, 2335, 2676, 2802, 3122, 3269, 3345, 3736, 4460, 4670, 4683, 5352, 5604, 6244, 6538, 6690, 7005, 7805, 8920, 9340, 9366, 9807, 11208, 12488, 13076, 13380, 14010, 15610, 16345, 18680, 18732, 19614, 23415, 26152, 26760, 28020, 31220, 32690, 37464, 39228, 46830, 49035, 56040, 62440, 65380, 78456, 93660, 98070, 104141, 130760, 187320, 196140, 208282, 312423, 392280, 416564, 520705, 624846, 728987, 833128, 1041410, 1249692, 1457974, 1562115, 2082820, 2186961, 2499384, 2915948, 3124230, 3644935, 4165640, 4373922, 5831896, 6248460, 7289870, 8747844, 10934805, 12496920, 14579740, 17495688, 21869610, 29159480, 43739220, 87478440]

約数ペア:

[(1, 87478440), (2, 43739220), (3, 29159480), (4, 21869610), (5, 17495688), (6, 14579740), (7, 12496920), (8, 10934805), (10, 8747844), (12, 7289870), (14, 6248460), (15, 5831896), (20, 4373922), (21, 4165640), (24, 3644935), (28, 3124230), (30, 2915948), (35, 2499384), (40, 2186961), (42, 2082820), (56, 1562115), (60, 1457974), (70, 1249692), (84, 1041410), (105, 833128), (120, 728987), (140, 624846), (168, 520705), (210, 416564), (223, 392280), (280, 312423), (420, 208282), (446, 196140), (467, 187320), (669, 130760), (840, 104141), (892, 98070), (934, 93660), (1115, 78456), (1338, 65380), (1401, 62440), (1561, 56040), (1784, 49035), (1868, 46830), (2230, 39228), (2335, 37464), (2676, 32690), (2802, 31220), (3122, 28020), (3269, 26760), (3345, 26152), (3736, 23415), (4460, 19614), (4670, 18732), (4683, 18680), (5352, 16345), (5604, 15610), (6244, 14010), (6538, 13380), (6690, 13076), (7005, 12488), (7805, 11208), (8920, 9807), (9340, 9366)]