31395780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13417}}^1$

素因数の和:13445

約数の個数: 72

約数和(自身を含む): 102567192

約数和(自身を除く): 71171412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13417, 26834, 40251, 53668, 67085, 80502, 120753, 134170, 161004, 174421, 201255, 241506, 268340, 348842, 402510, 483012, 523263, 603765, 697684, 805020, 872105, 1046526, 1207530, 1569789, 1744210, 2093052, 2415060, 2616315, 3139578, 3488420, 5232630, 6279156, 7848945, 10465260, 15697890, 31395780]

約数ペア:

[(1, 31395780), (2, 15697890), (3, 10465260), (4, 7848945), (5, 6279156), (6, 5232630), (9, 3488420), (10, 3139578), (12, 2616315), (13, 2415060), (15, 2093052), (18, 1744210), (20, 1569789), (26, 1207530), (30, 1046526), (36, 872105), (39, 805020), (45, 697684), (52, 603765), (60, 523263), (65, 483012), (78, 402510), (90, 348842), (117, 268340), (130, 241506), (156, 201255), (180, 174421), (195, 161004), (234, 134170), (260, 120753), (390, 80502), (468, 67085), (585, 53668), (780, 40251), (1170, 26834), (2340, 13417)]