268403940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{213019}}^1$

素因数の和:213041

約数の個数: 72

約数和(自身を含む): 930471360

約数和(自身を除く): 662067420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 213019, 426038, 639057, 852076, 1065095, 1278114, 1491133, 1917171, 2130190, 2556228, 2982266, 3195285, 3834342, 4260380, 4473399, 5964532, 6390570, 7455665, 7668684, 8946798, 9585855, 12781140, 13420197, 14911330, 17893596, 19171710, 22366995, 26840394, 29822660, 38343420, 44733990, 53680788, 67100985, 89467980, 134201970, 268403940]

約数ペア:

[(1, 268403940), (2, 134201970), (3, 89467980), (4, 67100985), (5, 53680788), (6, 44733990), (7, 38343420), (9, 29822660), (10, 26840394), (12, 22366995), (14, 19171710), (15, 17893596), (18, 14911330), (20, 13420197), (21, 12781140), (28, 9585855), (30, 8946798), (35, 7668684), (36, 7455665), (42, 6390570), (45, 5964532), (60, 4473399), (63, 4260380), (70, 3834342), (84, 3195285), (90, 2982266), (105, 2556228), (126, 2130190), (140, 1917171), (180, 1491133), (210, 1278114), (252, 1065095), (315, 852076), (420, 639057), (630, 426038), (1260, 213019)]