308265280

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^2\times {\mathrm{521}}^1$

素因数の和:624

約数の個数: 84

約数和(自身を含む): 752967252

約数和(自身を除く): 444701972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 521, 688, 860, 1042, 1376, 1720, 1849, 2084, 2605, 2752, 3440, 3698, 4168, 5210, 6880, 7396, 8336, 9245, 10420, 13760, 14792, 16672, 18490, 20840, 22403, 29584, 33344, 36980, 41680, 44806, 59168, 73960, 83360, 89612, 112015, 118336, 147920, 166720, 179224, 224030, 295840, 358448, 448060, 591680, 716896, 896120, 963329, 1433792, 1792240, 1926658, 3584480, 3853316, 4816645, 7168960, 7706632, 9633290, 15413264, 19266580, 30826528, 38533160, 61653056, 77066320, 154132640, 308265280]

約数ペア:

[(1, 308265280), (2, 154132640), (4, 77066320), (5, 61653056), (8, 38533160), (10, 30826528), (16, 19266580), (20, 15413264), (32, 9633290), (40, 7706632), (43, 7168960), (64, 4816645), (80, 3853316), (86, 3584480), (160, 1926658), (172, 1792240), (215, 1433792), (320, 963329), (344, 896120), (430, 716896), (521, 591680), (688, 448060), (860, 358448), (1042, 295840), (1376, 224030), (1720, 179224), (1849, 166720), (2084, 147920), (2605, 118336), (2752, 112015), (3440, 89612), (3698, 83360), (4168, 73960), (5210, 59168), (6880, 44806), (7396, 41680), (8336, 36980), (9245, 33344), (10420, 29584), (13760, 22403), (14792, 20840), (16672, 18490)]