28711480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 76914720

約数和(自身を除く): 48203240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 61, 70, 82, 122, 140, 164, 205, 244, 280, 287, 305, 328, 410, 427, 488, 574, 610, 820, 854, 1148, 1220, 1435, 1640, 1681, 1708, 2135, 2296, 2440, 2501, 2870, 3362, 3416, 4270, 5002, 5740, 6724, 8405, 8540, 10004, 11480, 11767, 12505, 13448, 16810, 17080, 17507, 20008, 23534, 25010, 33620, 35014, 47068, 50020, 58835, 67240, 70028, 87535, 94136, 100040, 102541, 117670, 140056, 175070, 205082, 235340, 350140, 410164, 470680, 512705, 700280, 717787, 820328, 1025410, 1435574, 2050820, 2871148, 3588935, 4101640, 5742296, 7177870, 14355740, 28711480]

約数ペア:

[(1, 28711480), (2, 14355740), (4, 7177870), (5, 5742296), (7, 4101640), (8, 3588935), (10, 2871148), (14, 2050820), (20, 1435574), (28, 1025410), (35, 820328), (40, 717787), (41, 700280), (56, 512705), (61, 470680), (70, 410164), (82, 350140), (122, 235340), (140, 205082), (164, 175070), (205, 140056), (244, 117670), (280, 102541), (287, 100040), (305, 94136), (328, 87535), (410, 70028), (427, 67240), (488, 58835), (574, 50020), (610, 47068), (820, 35014), (854, 33620), (1148, 25010), (1220, 23534), (1435, 20008), (1640, 17507), (1681, 17080), (1708, 16810), (2135, 13448), (2296, 12505), (2440, 11767), (2501, 11480), (2870, 10004), (3362, 8540), (3416, 8405), (4270, 6724), (5002, 5740)]