15126280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 38606400

約数和(自身を除く): 23480120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1531, 1976, 2470, 3062, 4940, 6124, 7655, 9880, 12248, 15310, 19903, 29089, 30620, 39806, 58178, 61240, 79612, 99515, 116356, 145445, 159224, 199030, 232712, 290890, 378157, 398060, 581780, 756314, 796120, 1163560, 1512628, 1890785, 3025256, 3781570, 7563140, 15126280]

約数ペア:

[(1, 15126280), (2, 7563140), (4, 3781570), (5, 3025256), (8, 1890785), (10, 1512628), (13, 1163560), (19, 796120), (20, 756314), (26, 581780), (38, 398060), (40, 378157), (52, 290890), (65, 232712), (76, 199030), (95, 159224), (104, 145445), (130, 116356), (152, 99515), (190, 79612), (247, 61240), (260, 58178), (380, 39806), (494, 30620), (520, 29089), (760, 19903), (988, 15310), (1235, 12248), (1531, 9880), (1976, 7655), (2470, 6124), (3062, 4940)]