25461540

素因数分解:

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

素因数の和:81

約数の個数: 216

約数和(自身を含む): 89526528

約数和(自身を除く): 64064988

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, 243, 260, 270, 279, 310, 324, 338, 351, 372, 390, 403, 405, 465, 468, 486, 507, 540, 558, 585, 620, 676, 702, 780, 806, 810, 837, 845, 930, 972, 1014, 1053, 1116, 1170, 1209, 1215, 1395, 1404, 1521, 1612, 1620, 1674, 1690, 1755, 1860, 2015, 2028, 2106, 2340, 2418, 2430, 2511, 2535, 2790, 3042, 3159, 3348, 3380, 3510, 3627, 4030, 4185, 4212, 4563, 4836, 4860, 5022, 5070, 5239, 5265, 5580, 6045, 6084, 6318, 7020, 7254, 7533, 7605, 8060, 8370, 9126, 10044, 10140, 10478, 10530, 10881, 12090, 12555, 12636, 13689, 14508, 15066, 15210, 15717, 15795, 16740, 18135, 18252, 20956, 21060, 21762, 22815, 24180, 25110, 26195, 27378, 30132, 30420, 31434, 31590, 32643, 36270, 37665, 41067, 43524, 45630, 47151, 50220, 52390, 54405, 54756, 62868, 63180, 65286, 68445, 72540, 75330, 78585, 82134, 91260, 94302, 97929, 104780, 108810, 130572, 136890, 141453, 150660, 157170, 163215, 164268, 188604, 195858, 205335, 217620, 235755, 273780, 282906, 314340, 326430, 391716, 410670, 424359, 471510, 489645, 565812, 652860, 707265, 821340, 848718, 943020, 979290, 1273077, 1414530, 1697436, 1958580, 2121795, 2546154, 2829060, 4243590, 5092308, 6365385, 8487180, 12730770, 25461540]

約数ペア:

[(1, 25461540), (2, 12730770), (3, 8487180), (4, 6365385), (5, 5092308), (6, 4243590), (9, 2829060), (10, 2546154), (12, 2121795), (13, 1958580), (15, 1697436), (18, 1414530), (20, 1273077), (26, 979290), (27, 943020), (30, 848718), (31, 821340), (36, 707265), (39, 652860), (45, 565812), (52, 489645), (54, 471510), (60, 424359), (62, 410670), (65, 391716), (78, 326430), (81, 314340), (90, 282906), (93, 273780), (108, 235755), (117, 217620), (124, 205335), (130, 195858), (135, 188604), (155, 164268), (156, 163215), (162, 157170), (169, 150660), (180, 141453), (186, 136890), (195, 130572), (234, 108810), (243, 104780), (260, 97929), (270, 94302), (279, 91260), (310, 82134), (324, 78585), (338, 75330), (351, 72540), (372, 68445), (390, 65286), (403, 63180), (405, 62868), (465, 54756), (468, 54405), (486, 52390), (507, 50220), (540, 47151), (558, 45630), (585, 43524), (620, 41067), (676, 37665), (702, 36270), (780, 32643), (806, 31590), (810, 31434), (837, 30420), (845, 30132), (930, 27378), (972, 26195), (1014, 25110), (1053, 24180), (1116, 22815), (1170, 21762), (1209, 21060), (1215, 20956), (1395, 18252), (1404, 18135), (1521, 16740), (1612, 15795), (1620, 15717), (1674, 15210), (1690, 15066), (1755, 14508), (1860, 13689), (2015, 12636), (2028, 12555), (2106, 12090), (2340, 10881), (2418, 10530), (2430, 10478), (2511, 10140), (2535, 10044), (2790, 9126), (3042, 8370), (3159, 8060), (3348, 7605), (3380, 7533), (3510, 7254), (3627, 7020), (4030, 6318), (4185, 6084), (4212, 6045), (4563, 5580), (4836, 5265), (4860, 5239), (5022, 5070)]