651577160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1\times {\mathrm{1621}}^1$

素因数の和:2418

約数の個数: 64

約数和(自身を含む): 1581839280

約数和(自身を除く): 930262120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 773, 1546, 1621, 3092, 3242, 3865, 6184, 6484, 7730, 8105, 10049, 12968, 15460, 16210, 20098, 21073, 30920, 32420, 40196, 42146, 50245, 64840, 80392, 84292, 100490, 105365, 168584, 200980, 210730, 401960, 421460, 842920, 1253033, 2506066, 5012132, 6265165, 10024264, 12530330, 16289429, 25060660, 32578858, 50121320, 65157716, 81447145, 130315432, 162894290, 325788580, 651577160]

約数ペア:

[(1, 651577160), (2, 325788580), (4, 162894290), (5, 130315432), (8, 81447145), (10, 65157716), (13, 50121320), (20, 32578858), (26, 25060660), (40, 16289429), (52, 12530330), (65, 10024264), (104, 6265165), (130, 5012132), (260, 2506066), (520, 1253033), (773, 842920), (1546, 421460), (1621, 401960), (3092, 210730), (3242, 200980), (3865, 168584), (6184, 105365), (6484, 100490), (7730, 84292), (8105, 80392), (10049, 64840), (12968, 50245), (15460, 42146), (16210, 40196), (20098, 32420), (21073, 30920)]