521040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 1749888

約数和(自身を除く): 1228848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 167, 195, 208, 240, 260, 312, 334, 390, 501, 520, 624, 668, 780, 835, 1002, 1040, 1336, 1560, 1670, 2004, 2171, 2505, 2672, 3120, 3340, 4008, 4342, 5010, 6513, 6680, 8016, 8684, 10020, 10855, 13026, 13360, 17368, 20040, 21710, 26052, 32565, 34736, 40080, 43420, 52104, 65130, 86840, 104208, 130260, 173680, 260520, 521040]

約数ペア:

[(1, 521040), (2, 260520), (3, 173680), (4, 130260), (5, 104208), (6, 86840), (8, 65130), (10, 52104), (12, 43420), (13, 40080), (15, 34736), (16, 32565), (20, 26052), (24, 21710), (26, 20040), (30, 17368), (39, 13360), (40, 13026), (48, 10855), (52, 10020), (60, 8684), (65, 8016), (78, 6680), (80, 6513), (104, 5010), (120, 4342), (130, 4008), (156, 3340), (167, 3120), (195, 2672), (208, 2505), (240, 2171), (260, 2004), (312, 1670), (334, 1560), (390, 1336), (501, 1040), (520, 1002), (624, 835), (668, 780)]