15516804560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{27673}}^1$

素因数の和:27892

約数の個数: 80

約数和(自身を含む): 37143378624

約数和(自身を除く): 21626574064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 163, 172, 215, 326, 344, 430, 652, 688, 815, 860, 1304, 1630, 1720, 2608, 3260, 3440, 6520, 7009, 13040, 14018, 27673, 28036, 35045, 55346, 56072, 70090, 110692, 112144, 138365, 140180, 221384, 276730, 280360, 442768, 553460, 560720, 1106920, 1189939, 2213840, 2379878, 4510699, 4759756, 5949695, 9021398, 9519512, 11899390, 18042796, 19039024, 22553495, 23798780, 36085592, 45106990, 47597560, 72171184, 90213980, 95195120, 180427960, 193960057, 360855920, 387920114, 775840228, 969800285, 1551680456, 1939600570, 3103360912, 3879201140, 7758402280, 15516804560]

約数ペア:

[(1, 15516804560), (2, 7758402280), (4, 3879201140), (5, 3103360912), (8, 1939600570), (10, 1551680456), (16, 969800285), (20, 775840228), (40, 387920114), (43, 360855920), (80, 193960057), (86, 180427960), (163, 95195120), (172, 90213980), (215, 72171184), (326, 47597560), (344, 45106990), (430, 36085592), (652, 23798780), (688, 22553495), (815, 19039024), (860, 18042796), (1304, 11899390), (1630, 9519512), (1720, 9021398), (2608, 5949695), (3260, 4759756), (3440, 4510699), (6520, 2379878), (7009, 2213840), (13040, 1189939), (14018, 1106920), (27673, 560720), (28036, 553460), (35045, 442768), (55346, 280360), (56072, 276730), (70090, 221384), (110692, 140180), (112144, 138365)]