80749890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5309}}^1$

素因数の和:5348

約数の個数: 72

約数和(自身を含む): 227384820

約数和(自身を除く): 146634930

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 3042, 5070, 5309, 7605, 10618, 15210, 15927, 26545, 31854, 47781, 53090, 69017, 79635, 95562, 138034, 159270, 207051, 238905, 345085, 414102, 477810, 621153, 690170, 897221, 1035255, 1242306, 1794442, 2070510, 2691663, 3105765, 4486105, 5383326, 6211530, 8074989, 8972210, 13458315, 16149978, 26916630, 40374945, 80749890]

約数ペア:

[(1, 80749890), (2, 40374945), (3, 26916630), (5, 16149978), (6, 13458315), (9, 8972210), (10, 8074989), (13, 6211530), (15, 5383326), (18, 4486105), (26, 3105765), (30, 2691663), (39, 2070510), (45, 1794442), (65, 1242306), (78, 1035255), (90, 897221), (117, 690170), (130, 621153), (169, 477810), (195, 414102), (234, 345085), (338, 238905), (390, 207051), (507, 159270), (585, 138034), (845, 95562), (1014, 79635), (1170, 69017), (1521, 53090), (1690, 47781), (2535, 31854), (3042, 26545), (5070, 15927), (5309, 15210), (7605, 10618)]