337536680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20939}}^1$

素因数の和:20994

約数の個数: 64

約数和(自身を含む): 844300800

約数和(自身を除く): 506764120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 20939, 41878, 83756, 104695, 167512, 209390, 272207, 418780, 544414, 649109, 837560, 1088828, 1298218, 1361035, 2177656, 2596436, 2722070, 3245545, 5192872, 5444140, 6491090, 8438417, 10888280, 12982180, 16876834, 25964360, 33753668, 42192085, 67507336, 84384170, 168768340, 337536680]

約数ペア:

[(1, 337536680), (2, 168768340), (4, 84384170), (5, 67507336), (8, 42192085), (10, 33753668), (13, 25964360), (20, 16876834), (26, 12982180), (31, 10888280), (40, 8438417), (52, 6491090), (62, 5444140), (65, 5192872), (104, 3245545), (124, 2722070), (130, 2596436), (155, 2177656), (248, 1361035), (260, 1298218), (310, 1088828), (403, 837560), (520, 649109), (620, 544414), (806, 418780), (1240, 272207), (1612, 209390), (2015, 167512), (3224, 104695), (4030, 83756), (8060, 41878), (16120, 20939)]