280991280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8423}}^1$

素因数の和:8578

約数の個数: 80

約数和(自身を含む): 877443840

約数和(自身を除く): 596452560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 4170, 5560, 6672, 8340, 8423, 11120, 16680, 16846, 25269, 33360, 33692, 42115, 50538, 67384, 84230, 101076, 126345, 134768, 168460, 202152, 252690, 336920, 404304, 505380, 673840, 1010760, 1170797, 2021520, 2341594, 3512391, 4683188, 5853985, 7024782, 9366376, 11707970, 14049564, 17561955, 18732752, 23415940, 28099128, 35123910, 46831880, 56198256, 70247820, 93663760, 140495640, 280991280]

約数ペア:

[(1, 280991280), (2, 140495640), (3, 93663760), (4, 70247820), (5, 56198256), (6, 46831880), (8, 35123910), (10, 28099128), (12, 23415940), (15, 18732752), (16, 17561955), (20, 14049564), (24, 11707970), (30, 9366376), (40, 7024782), (48, 5853985), (60, 4683188), (80, 3512391), (120, 2341594), (139, 2021520), (240, 1170797), (278, 1010760), (417, 673840), (556, 505380), (695, 404304), (834, 336920), (1112, 252690), (1390, 202152), (1668, 168460), (2085, 134768), (2224, 126345), (2780, 101076), (3336, 84230), (4170, 67384), (5560, 50538), (6672, 42115), (8340, 33692), (8423, 33360), (11120, 25269), (16680, 16846)]