15691403480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{24071}}^1$

素因数の和:24504

約数の個数: 64

約数和(自身を含む): 36223545600

約数和(自身を除く): 20532142120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 379, 430, 758, 860, 1516, 1720, 1895, 3032, 3790, 7580, 15160, 16297, 24071, 32594, 48142, 65188, 81485, 96284, 120355, 130376, 162970, 192568, 240710, 325940, 481420, 651880, 962840, 1035053, 2070106, 4140212, 5175265, 8280424, 9122909, 10350530, 18245818, 20701060, 36491636, 41402120, 45614545, 72983272, 91229090, 182458180, 364916360, 392285087, 784570174, 1569140348, 1961425435, 3138280696, 3922850870, 7845701740, 15691403480]

約数ペア:

[(1, 15691403480), (2, 7845701740), (4, 3922850870), (5, 3138280696), (8, 1961425435), (10, 1569140348), (20, 784570174), (40, 392285087), (43, 364916360), (86, 182458180), (172, 91229090), (215, 72983272), (344, 45614545), (379, 41402120), (430, 36491636), (758, 20701060), (860, 18245818), (1516, 10350530), (1720, 9122909), (1895, 8280424), (3032, 5175265), (3790, 4140212), (7580, 2070106), (15160, 1035053), (16297, 962840), (24071, 651880), (32594, 481420), (48142, 325940), (65188, 240710), (81485, 192568), (96284, 162970), (120355, 130376)]