321227920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18169}}^1$

素因数の和:18212

約数の個数: 80

約数和(自身を含む): 851664240

約数和(自身を除く): 530436320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 18169, 36338, 72676, 90845, 145352, 181690, 236197, 290704, 308873, 363380, 472394, 617746, 726760, 944788, 1180985, 1235492, 1453520, 1544365, 1889576, 2361970, 2470984, 3088730, 3779152, 4015349, 4723940, 4941968, 6177460, 8030698, 9447880, 12354920, 16061396, 18895760, 20076745, 24709840, 32122792, 40153490, 64245584, 80306980, 160613960, 321227920]

約数ペア:

[(1, 321227920), (2, 160613960), (4, 80306980), (5, 64245584), (8, 40153490), (10, 32122792), (13, 24709840), (16, 20076745), (17, 18895760), (20, 16061396), (26, 12354920), (34, 9447880), (40, 8030698), (52, 6177460), (65, 4941968), (68, 4723940), (80, 4015349), (85, 3779152), (104, 3088730), (130, 2470984), (136, 2361970), (170, 1889576), (208, 1544365), (221, 1453520), (260, 1235492), (272, 1180985), (340, 944788), (442, 726760), (520, 617746), (680, 472394), (884, 363380), (1040, 308873), (1105, 290704), (1360, 236197), (1768, 181690), (2210, 145352), (3536, 90845), (4420, 72676), (8840, 36338), (17680, 18169)]