640288350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109451}}^1$

素因数の和:109482

約数の個数: 72

約数和(自身を含む): 1852584552

約数和(自身を除く): 1212296202

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 109451, 218902, 328353, 547255, 656706, 985059, 1094510, 1422863, 1641765, 1970118, 2736275, 2845726, 3283530, 4268589, 4925295, 5472550, 7114315, 8208825, 8537178, 9850590, 12805767, 14228630, 16417650, 21342945, 24626475, 25611534, 35571575, 42685890, 49252950, 64028835, 71143150, 106714725, 128057670, 213429450, 320144175, 640288350]

約数ペア:

[(1, 640288350), (2, 320144175), (3, 213429450), (5, 128057670), (6, 106714725), (9, 71143150), (10, 64028835), (13, 49252950), (15, 42685890), (18, 35571575), (25, 25611534), (26, 24626475), (30, 21342945), (39, 16417650), (45, 14228630), (50, 12805767), (65, 9850590), (75, 8537178), (78, 8208825), (90, 7114315), (117, 5472550), (130, 4925295), (150, 4268589), (195, 3283530), (225, 2845726), (234, 2736275), (325, 1970118), (390, 1641765), (450, 1422863), (585, 1094510), (650, 985059), (975, 656706), (1170, 547255), (1950, 328353), (2925, 218902), (5850, 109451)]