151126840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 346705920

約数和(自身を除く): 195579080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 151, 191, 262, 302, 382, 524, 604, 655, 755, 764, 955, 1048, 1208, 1310, 1510, 1528, 1910, 2620, 3020, 3820, 5240, 6040, 7640, 19781, 25021, 28841, 39562, 50042, 57682, 79124, 98905, 100084, 115364, 125105, 144205, 158248, 197810, 200168, 230728, 250210, 288410, 395620, 500420, 576820, 791240, 1000840, 1153640, 3778171, 7556342, 15112684, 18890855, 30225368, 37781710, 75563420, 151126840]

約数ペア:

[(1, 151126840), (2, 75563420), (4, 37781710), (5, 30225368), (8, 18890855), (10, 15112684), (20, 7556342), (40, 3778171), (131, 1153640), (151, 1000840), (191, 791240), (262, 576820), (302, 500420), (382, 395620), (524, 288410), (604, 250210), (655, 230728), (755, 200168), (764, 197810), (955, 158248), (1048, 144205), (1208, 125105), (1310, 115364), (1510, 100084), (1528, 98905), (1910, 79124), (2620, 57682), (3020, 50042), (3820, 39562), (5240, 28841), (6040, 25021), (7640, 19781)]