261551520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4909}}^1$

素因数の和:4967

約数の個数: 144

約数和(自身を含む): 916854120

約数和(自身を除く): 655302600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 555, 592, 666, 720, 740, 888, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 3552, 4440, 4909, 5328, 5920, 6660, 8880, 9818, 10656, 13320, 14727, 17760, 19636, 24545, 26640, 29454, 39272, 44181, 49090, 53280, 58908, 73635, 78544, 88362, 98180, 117816, 147270, 157088, 176724, 181633, 196360, 220905, 235632, 294540, 353448, 363266, 392720, 441810, 471264, 544899, 589080, 706896, 726532, 785440, 883620, 908165, 1089798, 1178160, 1413792, 1453064, 1634697, 1767240, 1816330, 2179596, 2356320, 2724495, 2906128, 3269394, 3534480, 3632660, 4359192, 5448990, 5812256, 6538788, 7068960, 7265320, 8173485, 8718384, 10897980, 13077576, 14530640, 16346970, 17436768, 21795960, 26155152, 29061280, 32693940, 43591920, 52310304, 65387880, 87183840, 130775760, 261551520]

約数ペア:

[(1, 261551520), (2, 130775760), (3, 87183840), (4, 65387880), (5, 52310304), (6, 43591920), (8, 32693940), (9, 29061280), (10, 26155152), (12, 21795960), (15, 17436768), (16, 16346970), (18, 14530640), (20, 13077576), (24, 10897980), (30, 8718384), (32, 8173485), (36, 7265320), (37, 7068960), (40, 6538788), (45, 5812256), (48, 5448990), (60, 4359192), (72, 3632660), (74, 3534480), (80, 3269394), (90, 2906128), (96, 2724495), (111, 2356320), (120, 2179596), (144, 1816330), (148, 1767240), (160, 1634697), (180, 1453064), (185, 1413792), (222, 1178160), (240, 1089798), (288, 908165), (296, 883620), (333, 785440), (360, 726532), (370, 706896), (444, 589080), (480, 544899), (555, 471264), (592, 441810), (666, 392720), (720, 363266), (740, 353448), (888, 294540), (1110, 235632), (1184, 220905), (1332, 196360), (1440, 181633), (1480, 176724), (1665, 157088), (1776, 147270), (2220, 117816), (2664, 98180), (2960, 88362), (3330, 78544), (3552, 73635), (4440, 58908), (4909, 53280), (5328, 49090), (5920, 44181), (6660, 39272), (8880, 29454), (9818, 26640), (10656, 24545), (13320, 19636), (14727, 17760)]