64379140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 158578560

約数和(自身を除く): 94199420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 367, 490, 716, 734, 895, 980, 1253, 1468, 1790, 1835, 2506, 2569, 3580, 3670, 5012, 5138, 6265, 7340, 8771, 10276, 12530, 12845, 17542, 17983, 25060, 25690, 35084, 35966, 43855, 51380, 65693, 71932, 87710, 89915, 131386, 175420, 179830, 262772, 328465, 359660, 459851, 656930, 919702, 1313860, 1839404, 2299255, 3218957, 4598510, 6437914, 9197020, 12875828, 16094785, 32189570, 64379140]

約数ペア:

[(1, 64379140), (2, 32189570), (4, 16094785), (5, 12875828), (7, 9197020), (10, 6437914), (14, 4598510), (20, 3218957), (28, 2299255), (35, 1839404), (49, 1313860), (70, 919702), (98, 656930), (140, 459851), (179, 359660), (196, 328465), (245, 262772), (358, 179830), (367, 175420), (490, 131386), (716, 89915), (734, 87710), (895, 71932), (980, 65693), (1253, 51380), (1468, 43855), (1790, 35966), (1835, 35084), (2506, 25690), (2569, 25060), (3580, 17983), (3670, 17542), (5012, 12845), (5138, 12530), (6265, 10276), (7340, 8771)]