326515280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44851}}^1$

素因数の和:44884

約数の個数: 80

約数和(自身を含む): 934356864

約数和(自身を除く): 607841584

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 44851, 89702, 179404, 224255, 313957, 358808, 448510, 583063, 627914, 717616, 897020, 1166126, 1255828, 1569785, 1794040, 2332252, 2511656, 2915315, 3139570, 3588080, 4081441, 4664504, 5023312, 5830630, 6279140, 8162882, 9329008, 11661260, 12558280, 16325764, 20407205, 23322520, 25116560, 32651528, 40814410, 46645040, 65303056, 81628820, 163257640, 326515280]

約数ペア:

[(1, 326515280), (2, 163257640), (4, 81628820), (5, 65303056), (7, 46645040), (8, 40814410), (10, 32651528), (13, 25116560), (14, 23322520), (16, 20407205), (20, 16325764), (26, 12558280), (28, 11661260), (35, 9329008), (40, 8162882), (52, 6279140), (56, 5830630), (65, 5023312), (70, 4664504), (80, 4081441), (91, 3588080), (104, 3139570), (112, 2915315), (130, 2511656), (140, 2332252), (182, 1794040), (208, 1569785), (260, 1255828), (280, 1166126), (364, 897020), (455, 717616), (520, 627914), (560, 583063), (728, 448510), (910, 358808), (1040, 313957), (1456, 224255), (1820, 179404), (3640, 89702), (7280, 44851)]