723990640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{821}}^1$

素因数の和:1058

約数の個数: 80

約数和(自身を含む): 1719729216

約数和(自身を除く): 995738576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 151, 292, 302, 365, 584, 604, 730, 755, 821, 1168, 1208, 1460, 1510, 1642, 2416, 2920, 3020, 3284, 4105, 5840, 6040, 6568, 8210, 11023, 12080, 13136, 16420, 22046, 32840, 44092, 55115, 59933, 65680, 88184, 110230, 119866, 123971, 176368, 220460, 239732, 247942, 299665, 440920, 479464, 495884, 599330, 619855, 881840, 958928, 991768, 1198660, 1239710, 1983536, 2397320, 2479420, 4794640, 4958840, 9049883, 9917680, 18099766, 36199532, 45249415, 72399064, 90498830, 144798128, 180997660, 361995320, 723990640]

約数ペア:

[(1, 723990640), (2, 361995320), (4, 180997660), (5, 144798128), (8, 90498830), (10, 72399064), (16, 45249415), (20, 36199532), (40, 18099766), (73, 9917680), (80, 9049883), (146, 4958840), (151, 4794640), (292, 2479420), (302, 2397320), (365, 1983536), (584, 1239710), (604, 1198660), (730, 991768), (755, 958928), (821, 881840), (1168, 619855), (1208, 599330), (1460, 495884), (1510, 479464), (1642, 440920), (2416, 299665), (2920, 247942), (3020, 239732), (3284, 220460), (4105, 176368), (5840, 123971), (6040, 119866), (6568, 110230), (8210, 88184), (11023, 65680), (12080, 59933), (13136, 55115), (16420, 44092), (22046, 32840)]