438308520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280967}}^1$

素因数の和:280994

約数の個数: 64

約数和(自身を含む): 1416078720

約数和(自身を除く): 977770200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 280967, 561934, 842901, 1123868, 1404835, 1685802, 2247736, 2809670, 3371604, 3652571, 4214505, 5619340, 6743208, 7305142, 8429010, 10957713, 11238680, 14610284, 16858020, 18262855, 21915426, 29220568, 33716040, 36525710, 43830852, 54788565, 73051420, 87661704, 109577130, 146102840, 219154260, 438308520]

約数ペア:

[(1, 438308520), (2, 219154260), (3, 146102840), (4, 109577130), (5, 87661704), (6, 73051420), (8, 54788565), (10, 43830852), (12, 36525710), (13, 33716040), (15, 29220568), (20, 21915426), (24, 18262855), (26, 16858020), (30, 14610284), (39, 11238680), (40, 10957713), (52, 8429010), (60, 7305142), (65, 6743208), (78, 5619340), (104, 4214505), (120, 3652571), (130, 3371604), (156, 2809670), (195, 2247736), (260, 1685802), (312, 1404835), (390, 1123868), (520, 842901), (780, 561934), (1560, 280967)]