840555540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{38593}}^1$

素因数の和:38630

約数の個数: 108

約数和(自身を含む): 2802619092

約数和(自身を除く): 1962063552

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 21780, 38593, 77186, 115779, 154372, 192965, 231558, 347337, 385930, 424523, 463116, 578895, 694674, 771860, 849046, 1157790, 1273569, 1389348, 1698092, 1736685, 2122615, 2315580, 2547138, 3473370, 3820707, 4245230, 4669753, 5094276, 6367845, 6946740, 7641414, 8490460, 9339506, 12735690, 14009259, 15282828, 18679012, 19103535, 23348765, 25471380, 28018518, 38207070, 42027777, 46697530, 56037036, 70046295, 76414140, 84055554, 93395060, 140092590, 168111108, 210138885, 280185180, 420277770, 840555540]

約数ペア:

[(1, 840555540), (2, 420277770), (3, 280185180), (4, 210138885), (5, 168111108), (6, 140092590), (9, 93395060), (10, 84055554), (11, 76414140), (12, 70046295), (15, 56037036), (18, 46697530), (20, 42027777), (22, 38207070), (30, 28018518), (33, 25471380), (36, 23348765), (44, 19103535), (45, 18679012), (55, 15282828), (60, 14009259), (66, 12735690), (90, 9339506), (99, 8490460), (110, 7641414), (121, 6946740), (132, 6367845), (165, 5094276), (180, 4669753), (198, 4245230), (220, 3820707), (242, 3473370), (330, 2547138), (363, 2315580), (396, 2122615), (484, 1736685), (495, 1698092), (605, 1389348), (660, 1273569), (726, 1157790), (990, 849046), (1089, 771860), (1210, 694674), (1452, 578895), (1815, 463116), (1980, 424523), (2178, 385930), (2420, 347337), (3630, 231558), (4356, 192965), (5445, 154372), (7260, 115779), (10890, 77186), (21780, 38593)]