201821680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1754

約数の個数: 80

約数和(自身を含む): 493968384

約数和(自身を除く): 292146704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 74, 80, 82, 148, 164, 185, 205, 296, 328, 370, 410, 592, 656, 740, 820, 1480, 1517, 1640, 1663, 2960, 3034, 3280, 3326, 6068, 6652, 7585, 8315, 12136, 13304, 15170, 16630, 24272, 26608, 30340, 33260, 60680, 61531, 66520, 68183, 121360, 123062, 133040, 136366, 246124, 272732, 307655, 340915, 492248, 545464, 615310, 681830, 984496, 1090928, 1230620, 1363660, 2461240, 2522771, 2727320, 4922480, 5045542, 5454640, 10091084, 12613855, 20182168, 25227710, 40364336, 50455420, 100910840, 201821680]

約数ペア:

[(1, 201821680), (2, 100910840), (4, 50455420), (5, 40364336), (8, 25227710), (10, 20182168), (16, 12613855), (20, 10091084), (37, 5454640), (40, 5045542), (41, 4922480), (74, 2727320), (80, 2522771), (82, 2461240), (148, 1363660), (164, 1230620), (185, 1090928), (205, 984496), (296, 681830), (328, 615310), (370, 545464), (410, 492248), (592, 340915), (656, 307655), (740, 272732), (820, 246124), (1480, 136366), (1517, 133040), (1640, 123062), (1663, 121360), (2960, 68183), (3034, 66520), (3280, 61531), (3326, 60680), (6068, 33260), (6652, 30340), (7585, 26608), (8315, 24272), (12136, 16630), (13304, 15170)]