81275940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3671}}^1$

素因数の和:3730

約数の個数: 96

約数和(自身を含む): 259096320

約数和(自身を除く): 177820380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 1107, 1230, 1476, 1845, 2214, 2460, 3671, 3690, 4428, 5535, 7342, 7380, 11013, 11070, 14684, 18355, 22026, 22140, 33039, 36710, 44052, 55065, 66078, 73420, 99117, 110130, 132156, 150511, 165195, 198234, 220260, 301022, 330390, 396468, 451533, 495585, 602044, 660780, 752555, 903066, 991170, 1354599, 1505110, 1806132, 1982340, 2257665, 2709198, 3010220, 4063797, 4515330, 5418396, 6772995, 8127594, 9030660, 13545990, 16255188, 20318985, 27091980, 40637970, 81275940]

約数ペア:

[(1, 81275940), (2, 40637970), (3, 27091980), (4, 20318985), (5, 16255188), (6, 13545990), (9, 9030660), (10, 8127594), (12, 6772995), (15, 5418396), (18, 4515330), (20, 4063797), (27, 3010220), (30, 2709198), (36, 2257665), (41, 1982340), (45, 1806132), (54, 1505110), (60, 1354599), (82, 991170), (90, 903066), (108, 752555), (123, 660780), (135, 602044), (164, 495585), (180, 451533), (205, 396468), (246, 330390), (270, 301022), (369, 220260), (410, 198234), (492, 165195), (540, 150511), (615, 132156), (738, 110130), (820, 99117), (1107, 73420), (1230, 66078), (1476, 55065), (1845, 44052), (2214, 36710), (2460, 33039), (3671, 22140), (3690, 22026), (4428, 18355), (5535, 14684), (7342, 11070), (7380, 11013)]