30728516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 71124480

約数和(自身を除く): 40395964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 41, 52, 58, 71, 82, 91, 116, 142, 164, 182, 203, 284, 287, 364, 377, 406, 497, 533, 574, 754, 812, 923, 994, 1066, 1148, 1189, 1508, 1846, 1988, 2059, 2132, 2378, 2639, 2911, 3692, 3731, 4118, 4756, 5278, 5822, 6461, 7462, 8236, 8323, 10556, 11644, 12922, 14413, 14924, 15457, 16646, 20377, 25844, 26767, 28826, 30914, 33292, 37843, 40754, 53534, 57652, 61828, 75686, 81508, 84419, 107068, 108199, 151372, 168838, 187369, 216398, 264901, 337676, 374738, 432796, 529802, 590933, 749476, 1059604, 1097447, 1181866, 2194894, 2363732, 4389788, 7682129, 15364258, 30728516]

約数ペア:

[(1, 30728516), (2, 15364258), (4, 7682129), (7, 4389788), (13, 2363732), (14, 2194894), (26, 1181866), (28, 1097447), (29, 1059604), (41, 749476), (52, 590933), (58, 529802), (71, 432796), (82, 374738), (91, 337676), (116, 264901), (142, 216398), (164, 187369), (182, 168838), (203, 151372), (284, 108199), (287, 107068), (364, 84419), (377, 81508), (406, 75686), (497, 61828), (533, 57652), (574, 53534), (754, 40754), (812, 37843), (923, 33292), (994, 30914), (1066, 28826), (1148, 26767), (1189, 25844), (1508, 20377), (1846, 16646), (1988, 15457), (2059, 14924), (2132, 14413), (2378, 12922), (2639, 11644), (2911, 10556), (3692, 8323), (3731, 8236), (4118, 7462), (4756, 6461), (5278, 5822)]