31082940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2741}}^1$

素因数の和:2769

約数の個数: 120

約数和(自身を含む): 111478752

約数和(自身を除く): 80395812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2741, 2835, 3780, 5482, 5670, 8223, 10964, 11340, 13705, 16446, 19187, 24669, 27410, 32892, 38374, 41115, 49338, 54820, 57561, 74007, 76748, 82230, 95935, 98676, 115122, 123345, 148014, 164460, 172683, 191870, 222021, 230244, 246690, 287805, 296028, 345366, 370035, 383740, 444042, 493380, 518049, 575610, 690732, 740070, 863415, 888084, 1036098, 1110105, 1151220, 1480140, 1554147, 1726830, 2072196, 2220210, 2590245, 3108294, 3453660, 4440420, 5180490, 6216588, 7770735, 10360980, 15541470, 31082940]

約数ペア:

[(1, 31082940), (2, 15541470), (3, 10360980), (4, 7770735), (5, 6216588), (6, 5180490), (7, 4440420), (9, 3453660), (10, 3108294), (12, 2590245), (14, 2220210), (15, 2072196), (18, 1726830), (20, 1554147), (21, 1480140), (27, 1151220), (28, 1110105), (30, 1036098), (35, 888084), (36, 863415), (42, 740070), (45, 690732), (54, 575610), (60, 518049), (63, 493380), (70, 444042), (81, 383740), (84, 370035), (90, 345366), (105, 296028), (108, 287805), (126, 246690), (135, 230244), (140, 222021), (162, 191870), (180, 172683), (189, 164460), (210, 148014), (252, 123345), (270, 115122), (315, 98676), (324, 95935), (378, 82230), (405, 76748), (420, 74007), (540, 57561), (567, 54820), (630, 49338), (756, 41115), (810, 38374), (945, 32892), (1134, 27410), (1260, 24669), (1620, 19187), (1890, 16446), (2268, 13705), (2741, 11340), (2835, 10964), (3780, 8223), (5482, 5670)]