18061920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 65499840

約数和(自身を除く): 47437920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 113, 120, 135, 144, 148, 160, 180, 185, 216, 222, 226, 240, 270, 288, 296, 333, 339, 360, 370, 432, 444, 452, 480, 540, 555, 565, 592, 666, 678, 720, 740, 864, 888, 904, 999, 1017, 1080, 1110, 1130, 1184, 1332, 1356, 1440, 1480, 1665, 1695, 1776, 1808, 1998, 2034, 2160, 2220, 2260, 2664, 2712, 2960, 3051, 3330, 3390, 3552, 3616, 3996, 4068, 4181, 4320, 4440, 4520, 4995, 5085, 5328, 5424, 5920, 6102, 6660, 6780, 7992, 8136, 8362, 8880, 9040, 9990, 10170, 10656, 10848, 12204, 12543, 13320, 13560, 15255, 15984, 16272, 16724, 17760, 18080, 19980, 20340, 20905, 24408, 25086, 26640, 27120, 30510, 31968, 32544, 33448, 37629, 39960, 40680, 41810, 48816, 50172, 53280, 54240, 61020, 62715, 66896, 75258, 79920, 81360, 83620, 97632, 100344, 112887, 122040, 125430, 133792, 150516, 159840, 162720, 167240, 188145, 200688, 225774, 244080, 250860, 301032, 334480, 376290, 401376, 451548, 488160, 501720, 564435, 602064, 668960, 752580, 903096, 1003440, 1128870, 1204128, 1505160, 1806192, 2006880, 2257740, 3010320, 3612384, 4515480, 6020640, 9030960, 18061920]

約数ペア:

[(1, 18061920), (2, 9030960), (3, 6020640), (4, 4515480), (5, 3612384), (6, 3010320), (8, 2257740), (9, 2006880), (10, 1806192), (12, 1505160), (15, 1204128), (16, 1128870), (18, 1003440), (20, 903096), (24, 752580), (27, 668960), (30, 602064), (32, 564435), (36, 501720), (37, 488160), (40, 451548), (45, 401376), (48, 376290), (54, 334480), (60, 301032), (72, 250860), (74, 244080), (80, 225774), (90, 200688), (96, 188145), (108, 167240), (111, 162720), (113, 159840), (120, 150516), (135, 133792), (144, 125430), (148, 122040), (160, 112887), (180, 100344), (185, 97632), (216, 83620), (222, 81360), (226, 79920), (240, 75258), (270, 66896), (288, 62715), (296, 61020), (333, 54240), (339, 53280), (360, 50172), (370, 48816), (432, 41810), (444, 40680), (452, 39960), (480, 37629), (540, 33448), (555, 32544), (565, 31968), (592, 30510), (666, 27120), (678, 26640), (720, 25086), (740, 24408), (864, 20905), (888, 20340), (904, 19980), (999, 18080), (1017, 17760), (1080, 16724), (1110, 16272), (1130, 15984), (1184, 15255), (1332, 13560), (1356, 13320), (1440, 12543), (1480, 12204), (1665, 10848), (1695, 10656), (1776, 10170), (1808, 9990), (1998, 9040), (2034, 8880), (2160, 8362), (2220, 8136), (2260, 7992), (2664, 6780), (2712, 6660), (2960, 6102), (3051, 5920), (3330, 5424), (3390, 5328), (3552, 5085), (3616, 4995), (3996, 4520), (4068, 4440), (4181, 4320)]