154709240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{821}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 398900160

約数和(自身を除く): 244190920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 673, 821, 1346, 1642, 2692, 3284, 3365, 4105, 4711, 5384, 5747, 6568, 6730, 8210, 9422, 11494, 13460, 16420, 18844, 22988, 23555, 26920, 28735, 32840, 37688, 45976, 47110, 57470, 94220, 114940, 188440, 229880, 552533, 1105066, 2210132, 2762665, 3867731, 4420264, 5525330, 7735462, 11050660, 15470924, 19338655, 22101320, 30941848, 38677310, 77354620, 154709240]

約数ペア:

[(1, 154709240), (2, 77354620), (4, 38677310), (5, 30941848), (7, 22101320), (8, 19338655), (10, 15470924), (14, 11050660), (20, 7735462), (28, 5525330), (35, 4420264), (40, 3867731), (56, 2762665), (70, 2210132), (140, 1105066), (280, 552533), (673, 229880), (821, 188440), (1346, 114940), (1642, 94220), (2692, 57470), (3284, 47110), (3365, 45976), (4105, 37688), (4711, 32840), (5384, 28735), (5747, 26920), (6568, 23555), (6730, 22988), (8210, 18844), (9422, 16420), (11494, 13460)]