1961679780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{253447}}^1$

素因数の和:253505

約数の個数: 72

約数和(自身を含む): 6088834752

約数和(自身を除く): 4127154972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 253447, 506894, 760341, 1013788, 1267235, 1520682, 2281023, 2534470, 3041364, 3801705, 4562046, 5068940, 7603410, 9124092, 10898221, 11405115, 15206820, 21796442, 22810230, 32694663, 43592884, 45620460, 54491105, 65389326, 98083989, 108982210, 130778652, 163473315, 196167978, 217964420, 326946630, 392335956, 490419945, 653893260, 980839890, 1961679780]

約数ペア:

[(1, 1961679780), (2, 980839890), (3, 653893260), (4, 490419945), (5, 392335956), (6, 326946630), (9, 217964420), (10, 196167978), (12, 163473315), (15, 130778652), (18, 108982210), (20, 98083989), (30, 65389326), (36, 54491105), (43, 45620460), (45, 43592884), (60, 32694663), (86, 22810230), (90, 21796442), (129, 15206820), (172, 11405115), (180, 10898221), (215, 9124092), (258, 7603410), (387, 5068940), (430, 4562046), (516, 3801705), (645, 3041364), (774, 2534470), (860, 2281023), (1290, 1520682), (1548, 1267235), (1935, 1013788), (2580, 760341), (3870, 506894), (7740, 253447)]