65177840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1319

約数の個数: 120

約数和(自身を含む): 189987840

約数和(自身を除く): 124810000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1279, 1456, 1820, 1960, 2548, 2558, 3185, 3640, 3920, 5096, 5116, 6370, 6395, 7280, 8953, 10192, 10232, 12740, 12790, 16627, 17906, 20464, 25480, 25580, 33254, 35812, 44765, 50960, 51160, 62671, 66508, 71624, 83135, 89530, 102320, 116389, 125342, 133016, 143248, 166270, 179060, 232778, 250684, 266032, 313355, 332540, 358120, 465556, 501368, 581945, 626710, 665080, 716240, 814723, 931112, 1002736, 1163890, 1253420, 1330160, 1629446, 1862224, 2327780, 2506840, 3258892, 4073615, 4655560, 5013680, 6517784, 8147230, 9311120, 13035568, 16294460, 32588920, 65177840]

約数ペア:

[(1, 65177840), (2, 32588920), (4, 16294460), (5, 13035568), (7, 9311120), (8, 8147230), (10, 6517784), (13, 5013680), (14, 4655560), (16, 4073615), (20, 3258892), (26, 2506840), (28, 2327780), (35, 1862224), (40, 1629446), (49, 1330160), (52, 1253420), (56, 1163890), (65, 1002736), (70, 931112), (80, 814723), (91, 716240), (98, 665080), (104, 626710), (112, 581945), (130, 501368), (140, 465556), (182, 358120), (196, 332540), (208, 313355), (245, 266032), (260, 250684), (280, 232778), (364, 179060), (392, 166270), (455, 143248), (490, 133016), (520, 125342), (560, 116389), (637, 102320), (728, 89530), (784, 83135), (910, 71624), (980, 66508), (1040, 62671), (1274, 51160), (1279, 50960), (1456, 44765), (1820, 35812), (1960, 33254), (2548, 25580), (2558, 25480), (3185, 20464), (3640, 17906), (3920, 16627), (5096, 12790), (5116, 12740), (6370, 10232), (6395, 10192), (7280, 8953)]