7981380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 27518400

約数和(自身を除く): 19537020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 139, 145, 165, 174, 180, 198, 220, 261, 278, 290, 319, 330, 348, 396, 417, 435, 495, 522, 556, 580, 638, 660, 695, 834, 870, 957, 990, 1044, 1251, 1276, 1305, 1390, 1529, 1595, 1668, 1740, 1914, 1980, 2085, 2502, 2610, 2780, 2871, 3058, 3190, 3828, 4031, 4170, 4587, 4785, 5004, 5220, 5742, 6116, 6255, 6380, 7645, 8062, 8340, 9174, 9570, 11484, 12093, 12510, 13761, 14355, 15290, 16124, 18348, 19140, 20155, 22935, 24186, 25020, 27522, 28710, 30580, 36279, 40310, 44341, 45870, 48372, 55044, 57420, 60465, 68805, 72558, 80620, 88682, 91740, 120930, 133023, 137610, 145116, 177364, 181395, 221705, 241860, 266046, 275220, 362790, 399069, 443410, 532092, 665115, 725580, 798138, 886820, 1330230, 1596276, 1995345, 2660460, 3990690, 7981380]

約数ペア:

[(1, 7981380), (2, 3990690), (3, 2660460), (4, 1995345), (5, 1596276), (6, 1330230), (9, 886820), (10, 798138), (11, 725580), (12, 665115), (15, 532092), (18, 443410), (20, 399069), (22, 362790), (29, 275220), (30, 266046), (33, 241860), (36, 221705), (44, 181395), (45, 177364), (55, 145116), (58, 137610), (60, 133023), (66, 120930), (87, 91740), (90, 88682), (99, 80620), (110, 72558), (116, 68805), (132, 60465), (139, 57420), (145, 55044), (165, 48372), (174, 45870), (180, 44341), (198, 40310), (220, 36279), (261, 30580), (278, 28710), (290, 27522), (319, 25020), (330, 24186), (348, 22935), (396, 20155), (417, 19140), (435, 18348), (495, 16124), (522, 15290), (556, 14355), (580, 13761), (638, 12510), (660, 12093), (695, 11484), (834, 9570), (870, 9174), (957, 8340), (990, 8062), (1044, 7645), (1251, 6380), (1276, 6255), (1305, 6116), (1390, 5742), (1529, 5220), (1595, 5004), (1668, 4785), (1740, 4587), (1914, 4170), (1980, 4031), (2085, 3828), (2502, 3190), (2610, 3058), (2780, 2871)]