77969320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 211559040

約数和(自身を除く): 133589720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 43, 44, 52, 55, 65, 86, 88, 104, 110, 130, 143, 172, 215, 220, 260, 286, 317, 344, 430, 440, 473, 520, 559, 572, 634, 715, 860, 946, 1118, 1144, 1268, 1430, 1585, 1720, 1892, 2236, 2365, 2536, 2795, 2860, 3170, 3487, 3784, 4121, 4472, 4730, 5590, 5720, 6149, 6340, 6974, 8242, 9460, 11180, 12298, 12680, 13631, 13948, 16484, 17435, 18920, 20605, 22360, 24596, 27262, 27896, 30745, 32968, 34870, 41210, 45331, 49192, 54524, 61490, 68155, 69740, 82420, 90662, 109048, 122980, 136310, 139480, 149941, 164840, 177203, 181324, 226655, 245960, 272620, 299882, 354406, 362648, 453310, 545240, 599764, 708812, 749705, 886015, 906620, 1199528, 1417624, 1499410, 1772030, 1813240, 1949233, 2998820, 3544060, 3898466, 5997640, 7088120, 7796932, 9746165, 15593864, 19492330, 38984660, 77969320]

約数ペア:

[(1, 77969320), (2, 38984660), (4, 19492330), (5, 15593864), (8, 9746165), (10, 7796932), (11, 7088120), (13, 5997640), (20, 3898466), (22, 3544060), (26, 2998820), (40, 1949233), (43, 1813240), (44, 1772030), (52, 1499410), (55, 1417624), (65, 1199528), (86, 906620), (88, 886015), (104, 749705), (110, 708812), (130, 599764), (143, 545240), (172, 453310), (215, 362648), (220, 354406), (260, 299882), (286, 272620), (317, 245960), (344, 226655), (430, 181324), (440, 177203), (473, 164840), (520, 149941), (559, 139480), (572, 136310), (634, 122980), (715, 109048), (860, 90662), (946, 82420), (1118, 69740), (1144, 68155), (1268, 61490), (1430, 54524), (1585, 49192), (1720, 45331), (1892, 41210), (2236, 34870), (2365, 32968), (2536, 30745), (2795, 27896), (2860, 27262), (3170, 24596), (3487, 22360), (3784, 20605), (4121, 18920), (4472, 17435), (4730, 16484), (5590, 13948), (5720, 13631), (6149, 12680), (6340, 12298), (6974, 11180), (8242, 9460)]