28569840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9157}}^1$

素因数の和:9186

約数の個数: 80

約数和(自身を含む): 95389728

約数和(自身を除く): 66819888

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, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9157, 18314, 27471, 36628, 45785, 54942, 73256, 91570, 109884, 119041, 137355, 146512, 183140, 219768, 238082, 274710, 357123, 366280, 439536, 476164, 549420, 595205, 714246, 732560, 952328, 1098840, 1190410, 1428492, 1785615, 1904656, 2197680, 2380820, 2856984, 3571230, 4761640, 5713968, 7142460, 9523280, 14284920, 28569840]

約数ペア:

[(1, 28569840), (2, 14284920), (3, 9523280), (4, 7142460), (5, 5713968), (6, 4761640), (8, 3571230), (10, 2856984), (12, 2380820), (13, 2197680), (15, 1904656), (16, 1785615), (20, 1428492), (24, 1190410), (26, 1098840), (30, 952328), (39, 732560), (40, 714246), (48, 595205), (52, 549420), (60, 476164), (65, 439536), (78, 366280), (80, 357123), (104, 274710), (120, 238082), (130, 219768), (156, 183140), (195, 146512), (208, 137355), (240, 119041), (260, 109884), (312, 91570), (390, 73256), (520, 54942), (624, 45785), (780, 36628), (1040, 27471), (1560, 18314), (3120, 9157)]