77482640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 188083200

約数和(自身を除く): 110600560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 199, 248, 310, 314, 398, 496, 620, 628, 785, 796, 995, 1240, 1256, 1570, 1592, 1990, 2480, 2512, 3140, 3184, 3980, 4867, 6169, 6280, 7960, 9734, 12338, 12560, 15920, 19468, 24335, 24676, 30845, 31243, 38936, 48670, 49352, 61690, 62486, 77872, 97340, 98704, 123380, 124972, 156215, 194680, 246760, 249944, 312430, 389360, 493520, 499888, 624860, 968533, 1249720, 1937066, 2499440, 3874132, 4842665, 7748264, 9685330, 15496528, 19370660, 38741320, 77482640]

約数ペア:

[(1, 77482640), (2, 38741320), (4, 19370660), (5, 15496528), (8, 9685330), (10, 7748264), (16, 4842665), (20, 3874132), (31, 2499440), (40, 1937066), (62, 1249720), (80, 968533), (124, 624860), (155, 499888), (157, 493520), (199, 389360), (248, 312430), (310, 249944), (314, 246760), (398, 194680), (496, 156215), (620, 124972), (628, 123380), (785, 98704), (796, 97340), (995, 77872), (1240, 62486), (1256, 61690), (1570, 49352), (1592, 48670), (1990, 38936), (2480, 31243), (2512, 30845), (3140, 24676), (3184, 24335), (3980, 19468), (4867, 15920), (6169, 12560), (6280, 12338), (7960, 9734)]