260520

素因数分解:

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

素因数の和:194

約数の個数: 64

約数和(自身を含む): 846720

約数和(自身を除く): 586200

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, 167, 195, 260, 312, 334, 390, 501, 520, 668, 780, 835, 1002, 1336, 1560, 1670, 2004, 2171, 2505, 3340, 4008, 4342, 5010, 6513, 6680, 8684, 10020, 10855, 13026, 17368, 20040, 21710, 26052, 32565, 43420, 52104, 65130, 86840, 130260, 260520]

約数ペア:

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