8487180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 180

約数和(自身を含む): 29760192

約数和(自身を除く): 21273012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 169, 180, 186, 195, 234, 260, 270, 279, 310, 324, 338, 351, 372, 390, 403, 405, 465, 468, 507, 540, 558, 585, 620, 676, 702, 780, 806, 810, 837, 845, 930, 1014, 1053, 1116, 1170, 1209, 1395, 1404, 1521, 1612, 1620, 1674, 1690, 1755, 1860, 2015, 2028, 2106, 2340, 2418, 2511, 2535, 2790, 3042, 3348, 3380, 3510, 3627, 4030, 4185, 4212, 4563, 4836, 5022, 5070, 5239, 5265, 5580, 6045, 6084, 7020, 7254, 7605, 8060, 8370, 9126, 10044, 10140, 10478, 10530, 10881, 12090, 12555, 13689, 14508, 15210, 15717, 16740, 18135, 18252, 20956, 21060, 21762, 22815, 24180, 25110, 26195, 27378, 30420, 31434, 32643, 36270, 43524, 45630, 47151, 50220, 52390, 54405, 54756, 62868, 65286, 68445, 72540, 78585, 91260, 94302, 104780, 108810, 130572, 136890, 141453, 157170, 163215, 188604, 217620, 235755, 273780, 282906, 314340, 326430, 424359, 471510, 565812, 652860, 707265, 848718, 943020, 1414530, 1697436, 2121795, 2829060, 4243590, 8487180]

約数ペア:

[(1, 8487180), (2, 4243590), (3, 2829060), (4, 2121795), (5, 1697436), (6, 1414530), (9, 943020), (10, 848718), (12, 707265), (13, 652860), (15, 565812), (18, 471510), (20, 424359), (26, 326430), (27, 314340), (30, 282906), (31, 273780), (36, 235755), (39, 217620), (45, 188604), (52, 163215), (54, 157170), (60, 141453), (62, 136890), (65, 130572), (78, 108810), (81, 104780), (90, 94302), (93, 91260), (108, 78585), (117, 72540), (124, 68445), (130, 65286), (135, 62868), (155, 54756), (156, 54405), (162, 52390), (169, 50220), (180, 47151), (186, 45630), (195, 43524), (234, 36270), (260, 32643), (270, 31434), (279, 30420), (310, 27378), (324, 26195), (338, 25110), (351, 24180), (372, 22815), (390, 21762), (403, 21060), (405, 20956), (465, 18252), (468, 18135), (507, 16740), (540, 15717), (558, 15210), (585, 14508), (620, 13689), (676, 12555), (702, 12090), (780, 10881), (806, 10530), (810, 10478), (837, 10140), (845, 10044), (930, 9126), (1014, 8370), (1053, 8060), (1116, 7605), (1170, 7254), (1209, 7020), (1395, 6084), (1404, 6045), (1521, 5580), (1612, 5265), (1620, 5239), (1674, 5070), (1690, 5022), (1755, 4836), (1860, 4563), (2015, 4212), (2028, 4185), (2106, 4030), (2340, 3627), (2418, 3510), (2511, 3380), (2535, 3348), (2790, 3042)]