686377960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{2753}}^1$

素因数の和:3058

約数の個数: 64

約数和(自身を含む): 1618030080

約数和(自身を除く): 931652120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 271, 460, 542, 920, 1084, 1355, 2168, 2710, 2753, 5420, 5506, 6233, 10840, 11012, 12466, 13765, 22024, 24932, 27530, 31165, 49864, 55060, 62330, 63319, 110120, 124660, 126638, 249320, 253276, 316595, 506552, 633190, 746063, 1266380, 1492126, 2532760, 2984252, 3730315, 5968504, 7460630, 14921260, 17159449, 29842520, 34318898, 68637796, 85797245, 137275592, 171594490, 343188980, 686377960]

約数ペア:

[(1, 686377960), (2, 343188980), (4, 171594490), (5, 137275592), (8, 85797245), (10, 68637796), (20, 34318898), (23, 29842520), (40, 17159449), (46, 14921260), (92, 7460630), (115, 5968504), (184, 3730315), (230, 2984252), (271, 2532760), (460, 1492126), (542, 1266380), (920, 746063), (1084, 633190), (1355, 506552), (2168, 316595), (2710, 253276), (2753, 249320), (5420, 126638), (5506, 124660), (6233, 110120), (10840, 63319), (11012, 62330), (12466, 55060), (13765, 49864), (22024, 31165), (24932, 27530)]