399368520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25799}}^1$

素因数の和:25859

約数の個数: 96

約数和(自身を含む): 1328184000

約数和(自身を除く): 928815480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 5160, 7740, 15480, 25799, 51598, 77397, 103196, 128995, 154794, 206392, 232191, 257990, 309588, 386985, 464382, 515980, 619176, 773970, 928764, 1031960, 1109357, 1160955, 1547940, 1857528, 2218714, 2321910, 3095880, 3328071, 4437428, 4643820, 5546785, 6656142, 8874856, 9287640, 9984213, 11093570, 13312284, 16640355, 19968426, 22187140, 26624568, 33280710, 39936852, 44374280, 49921065, 66561420, 79873704, 99842130, 133122840, 199684260, 399368520]

約数ペア:

[(1, 399368520), (2, 199684260), (3, 133122840), (4, 99842130), (5, 79873704), (6, 66561420), (8, 49921065), (9, 44374280), (10, 39936852), (12, 33280710), (15, 26624568), (18, 22187140), (20, 19968426), (24, 16640355), (30, 13312284), (36, 11093570), (40, 9984213), (43, 9287640), (45, 8874856), (60, 6656142), (72, 5546785), (86, 4643820), (90, 4437428), (120, 3328071), (129, 3095880), (172, 2321910), (180, 2218714), (215, 1857528), (258, 1547940), (344, 1160955), (360, 1109357), (387, 1031960), (430, 928764), (516, 773970), (645, 619176), (774, 515980), (860, 464382), (1032, 386985), (1290, 309588), (1548, 257990), (1720, 232191), (1935, 206392), (2580, 154794), (3096, 128995), (3870, 103196), (5160, 77397), (7740, 51598), (15480, 25799)]