77544640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7817}}^1$

素因数の和:7865

約数の個数: 56

約数和(自身を含む): 190634112

約数和(自身を除く): 113089472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 7817, 9920, 15634, 31268, 39085, 62536, 78170, 125072, 156340, 242327, 250144, 312680, 484654, 500288, 625360, 969308, 1211635, 1250720, 1938616, 2423270, 2501440, 3877232, 4846540, 7754464, 9693080, 15508928, 19386160, 38772320, 77544640]

約数ペア:

[(1, 77544640), (2, 38772320), (4, 19386160), (5, 15508928), (8, 9693080), (10, 7754464), (16, 4846540), (20, 3877232), (31, 2501440), (32, 2423270), (40, 1938616), (62, 1250720), (64, 1211635), (80, 969308), (124, 625360), (155, 500288), (160, 484654), (248, 312680), (310, 250144), (320, 242327), (496, 156340), (620, 125072), (992, 78170), (1240, 62536), (1984, 39085), (2480, 31268), (4960, 15634), (7817, 9920)]