123485280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 192

約数和(自身を含む): 424025280

約数和(自身を除く): 300540000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 68, 74, 80, 85, 96, 102, 111, 120, 136, 148, 160, 170, 185, 204, 222, 240, 255, 272, 296, 340, 370, 408, 409, 444, 480, 510, 544, 555, 592, 629, 680, 740, 816, 818, 888, 1020, 1110, 1184, 1227, 1258, 1360, 1480, 1632, 1636, 1776, 1887, 2040, 2045, 2220, 2454, 2516, 2720, 2960, 3145, 3272, 3552, 3774, 4080, 4090, 4440, 4908, 5032, 5920, 6135, 6290, 6544, 6953, 7548, 8160, 8180, 8880, 9435, 9816, 10064, 12270, 12580, 13088, 13906, 15096, 15133, 16360, 17760, 18870, 19632, 20128, 20859, 24540, 25160, 27812, 30192, 30266, 32720, 34765, 37740, 39264, 41718, 45399, 49080, 50320, 55624, 60384, 60532, 65440, 69530, 75480, 75665, 83436, 90798, 98160, 100640, 104295, 111248, 121064, 139060, 150960, 151330, 166872, 181596, 196320, 208590, 222496, 226995, 242128, 257261, 278120, 301920, 302660, 333744, 363192, 417180, 453990, 484256, 514522, 556240, 605320, 667488, 726384, 771783, 834360, 907980, 1029044, 1112480, 1210640, 1286305, 1452768, 1543566, 1668720, 1815960, 2058088, 2421280, 2572610, 3087132, 3337440, 3631920, 3858915, 4116176, 5145220, 6174264, 7263840, 7717830, 8232352, 10290440, 12348528, 15435660, 20580880, 24697056, 30871320, 41161760, 61742640, 123485280]

約数ペア:

[(1, 123485280), (2, 61742640), (3, 41161760), (4, 30871320), (5, 24697056), (6, 20580880), (8, 15435660), (10, 12348528), (12, 10290440), (15, 8232352), (16, 7717830), (17, 7263840), (20, 6174264), (24, 5145220), (30, 4116176), (32, 3858915), (34, 3631920), (37, 3337440), (40, 3087132), (48, 2572610), (51, 2421280), (60, 2058088), (68, 1815960), (74, 1668720), (80, 1543566), (85, 1452768), (96, 1286305), (102, 1210640), (111, 1112480), (120, 1029044), (136, 907980), (148, 834360), (160, 771783), (170, 726384), (185, 667488), (204, 605320), (222, 556240), (240, 514522), (255, 484256), (272, 453990), (296, 417180), (340, 363192), (370, 333744), (408, 302660), (409, 301920), (444, 278120), (480, 257261), (510, 242128), (544, 226995), (555, 222496), (592, 208590), (629, 196320), (680, 181596), (740, 166872), (816, 151330), (818, 150960), (888, 139060), (1020, 121064), (1110, 111248), (1184, 104295), (1227, 100640), (1258, 98160), (1360, 90798), (1480, 83436), (1632, 75665), (1636, 75480), (1776, 69530), (1887, 65440), (2040, 60532), (2045, 60384), (2220, 55624), (2454, 50320), (2516, 49080), (2720, 45399), (2960, 41718), (3145, 39264), (3272, 37740), (3552, 34765), (3774, 32720), (4080, 30266), (4090, 30192), (4440, 27812), (4908, 25160), (5032, 24540), (5920, 20859), (6135, 20128), (6290, 19632), (6544, 18870), (6953, 17760), (7548, 16360), (8160, 15133), (8180, 15096), (8880, 13906), (9435, 13088), (9816, 12580), (10064, 12270)]