87795180

素因数分解:

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

素因数の和:205

約数の個数: 216

約数和(自身を含む): 304995600

約数和(自身を除く): 217200420

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, 121, 132, 139, 145, 165, 174, 180, 198, 220, 242, 261, 278, 290, 319, 330, 348, 363, 396, 417, 435, 484, 495, 522, 556, 580, 605, 638, 660, 695, 726, 834, 870, 957, 990, 1044, 1089, 1210, 1251, 1276, 1305, 1390, 1452, 1529, 1595, 1668, 1740, 1815, 1914, 1980, 2085, 2178, 2420, 2502, 2610, 2780, 2871, 3058, 3190, 3509, 3630, 3828, 4031, 4170, 4356, 4587, 4785, 5004, 5220, 5445, 5742, 6116, 6255, 6380, 7018, 7260, 7645, 8062, 8340, 9174, 9570, 10527, 10890, 11484, 12093, 12510, 13761, 14036, 14355, 15290, 16124, 16819, 17545, 18348, 19140, 20155, 21054, 21780, 22935, 24186, 25020, 27522, 28710, 30580, 31581, 33638, 35090, 36279, 40310, 42108, 44341, 45870, 48372, 50457, 52635, 55044, 57420, 60465, 63162, 67276, 68805, 70180, 72558, 80620, 84095, 88682, 91740, 100914, 105270, 120930, 126324, 133023, 137610, 145116, 151371, 157905, 168190, 177364, 181395, 201828, 210540, 221705, 241860, 252285, 266046, 275220, 302742, 315810, 336380, 362790, 399069, 443410, 487751, 504570, 532092, 605484, 631620, 665115, 725580, 756855, 798138, 886820, 975502, 1009140, 1330230, 1463253, 1513710, 1596276, 1951004, 1995345, 2438755, 2660460, 2926506, 3027420, 3990690, 4389759, 4877510, 5853012, 7316265, 7981380, 8779518, 9755020, 14632530, 17559036, 21948795, 29265060, 43897590, 87795180]

約数ペア:

[(1, 87795180), (2, 43897590), (3, 29265060), (4, 21948795), (5, 17559036), (6, 14632530), (9, 9755020), (10, 8779518), (11, 7981380), (12, 7316265), (15, 5853012), (18, 4877510), (20, 4389759), (22, 3990690), (29, 3027420), (30, 2926506), (33, 2660460), (36, 2438755), (44, 1995345), (45, 1951004), (55, 1596276), (58, 1513710), (60, 1463253), (66, 1330230), (87, 1009140), (90, 975502), (99, 886820), (110, 798138), (116, 756855), (121, 725580), (132, 665115), (139, 631620), (145, 605484), (165, 532092), (174, 504570), (180, 487751), (198, 443410), (220, 399069), (242, 362790), (261, 336380), (278, 315810), (290, 302742), (319, 275220), (330, 266046), (348, 252285), (363, 241860), (396, 221705), (417, 210540), (435, 201828), (484, 181395), (495, 177364), (522, 168190), (556, 157905), (580, 151371), (605, 145116), (638, 137610), (660, 133023), (695, 126324), (726, 120930), (834, 105270), (870, 100914), (957, 91740), (990, 88682), (1044, 84095), (1089, 80620), (1210, 72558), (1251, 70180), (1276, 68805), (1305, 67276), (1390, 63162), (1452, 60465), (1529, 57420), (1595, 55044), (1668, 52635), (1740, 50457), (1815, 48372), (1914, 45870), (1980, 44341), (2085, 42108), (2178, 40310), (2420, 36279), (2502, 35090), (2610, 33638), (2780, 31581), (2871, 30580), (3058, 28710), (3190, 27522), (3509, 25020), (3630, 24186), (3828, 22935), (4031, 21780), (4170, 21054), (4356, 20155), (4587, 19140), (4785, 18348), (5004, 17545), (5220, 16819), (5445, 16124), (5742, 15290), (6116, 14355), (6255, 14036), (6380, 13761), (7018, 12510), (7260, 12093), (7645, 11484), (8062, 10890), (8340, 10527), (9174, 9570)]