18815760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:334

約数の個数: 160

約数和(自身を含む): 67138560

約数和(自身を除く): 48322800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 281, 310, 360, 372, 432, 465, 496, 540, 558, 562, 620, 720, 744, 837, 843, 930, 1080, 1116, 1124, 1240, 1395, 1405, 1488, 1674, 1686, 1860, 2160, 2232, 2248, 2480, 2529, 2790, 2810, 3348, 3372, 3720, 4185, 4215, 4464, 4496, 5058, 5580, 5620, 6696, 6744, 7440, 7587, 8370, 8430, 8711, 10116, 11160, 11240, 12645, 13392, 13488, 15174, 16740, 16860, 17422, 20232, 22320, 22480, 25290, 26133, 30348, 33480, 33720, 34844, 37935, 40464, 43555, 50580, 52266, 60696, 66960, 67440, 69688, 75870, 78399, 87110, 101160, 104532, 121392, 130665, 139376, 151740, 156798, 174220, 202320, 209064, 235197, 261330, 303480, 313596, 348440, 391995, 418128, 470394, 522660, 606960, 627192, 696880, 783990, 940788, 1045320, 1175985, 1254384, 1567980, 1881576, 2090640, 2351970, 3135960, 3763152, 4703940, 6271920, 9407880, 18815760]

約数ペア:

[(1, 18815760), (2, 9407880), (3, 6271920), (4, 4703940), (5, 3763152), (6, 3135960), (8, 2351970), (9, 2090640), (10, 1881576), (12, 1567980), (15, 1254384), (16, 1175985), (18, 1045320), (20, 940788), (24, 783990), (27, 696880), (30, 627192), (31, 606960), (36, 522660), (40, 470394), (45, 418128), (48, 391995), (54, 348440), (60, 313596), (62, 303480), (72, 261330), (80, 235197), (90, 209064), (93, 202320), (108, 174220), (120, 156798), (124, 151740), (135, 139376), (144, 130665), (155, 121392), (180, 104532), (186, 101160), (216, 87110), (240, 78399), (248, 75870), (270, 69688), (279, 67440), (281, 66960), (310, 60696), (360, 52266), (372, 50580), (432, 43555), (465, 40464), (496, 37935), (540, 34844), (558, 33720), (562, 33480), (620, 30348), (720, 26133), (744, 25290), (837, 22480), (843, 22320), (930, 20232), (1080, 17422), (1116, 16860), (1124, 16740), (1240, 15174), (1395, 13488), (1405, 13392), (1488, 12645), (1674, 11240), (1686, 11160), (1860, 10116), (2160, 8711), (2232, 8430), (2248, 8370), (2480, 7587), (2529, 7440), (2790, 6744), (2810, 6696), (3348, 5620), (3372, 5580), (3720, 5058), (4185, 4496), (4215, 4464)]