1218136680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{78691}}^1$

素因数の和:78751

約数の個数: 96

約数和(自身を含む): 4051064160

約数和(自身を除く): 2832927480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 5160, 7740, 15480, 78691, 157382, 236073, 314764, 393455, 472146, 629528, 708219, 786910, 944292, 1180365, 1416438, 1573820, 1888584, 2360730, 2832876, 3147640, 3383713, 3541095, 4721460, 5665752, 6767426, 7082190, 9442920, 10151139, 13534852, 14164380, 16918565, 20302278, 27069704, 28328760, 30453417, 33837130, 40604556, 50755695, 60906834, 67674260, 81209112, 101511390, 121813668, 135348520, 152267085, 203022780, 243627336, 304534170, 406045560, 609068340, 1218136680]

約数ペア:

[(1, 1218136680), (2, 609068340), (3, 406045560), (4, 304534170), (5, 243627336), (6, 203022780), (8, 152267085), (9, 135348520), (10, 121813668), (12, 101511390), (15, 81209112), (18, 67674260), (20, 60906834), (24, 50755695), (30, 40604556), (36, 33837130), (40, 30453417), (43, 28328760), (45, 27069704), (60, 20302278), (72, 16918565), (86, 14164380), (90, 13534852), (120, 10151139), (129, 9442920), (172, 7082190), (180, 6767426), (215, 5665752), (258, 4721460), (344, 3541095), (360, 3383713), (387, 3147640), (430, 2832876), (516, 2360730), (645, 1888584), (774, 1573820), (860, 1416438), (1032, 1180365), (1290, 944292), (1548, 786910), (1720, 708219), (1935, 629528), (2580, 472146), (3096, 393455), (3870, 314764), (5160, 236073), (7740, 157382), (15480, 78691)]