18987369840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{19843}}^1$

素因数の和:20308

約数の個数: 160

約数和(自身を含む): 65551875840

約数和(自身を除く): 46564506000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 443, 540, 720, 886, 1080, 1329, 1772, 2160, 2215, 2658, 3544, 3987, 4430, 5316, 6645, 7088, 7974, 8860, 10632, 11961, 13290, 15948, 17720, 19843, 19935, 21264, 23922, 26580, 31896, 35440, 39686, 39870, 47844, 53160, 59529, 59805, 63792, 79372, 79740, 95688, 99215, 106320, 119058, 119610, 158744, 159480, 178587, 191376, 198430, 238116, 239220, 297645, 317488, 318960, 357174, 396860, 476232, 478440, 535761, 595290, 714348, 793720, 892935, 952464, 956880, 1071522, 1190580, 1428696, 1587440, 1785870, 2143044, 2381160, 2678805, 2857392, 3571740, 4286088, 4762320, 5357610, 7143480, 8572176, 8790449, 10715220, 14286960, 17580898, 21430440, 26371347, 35161796, 42860880, 43952245, 52742694, 70323592, 79114041, 87904490, 105485388, 131856735, 140647184, 158228082, 175808980, 210970776, 237342123, 263713470, 316456164, 351617960, 395570205, 421941552, 474684246, 527426940, 632912328, 703235920, 791140410, 949368492, 1054853880, 1186710615, 1265824656, 1582280820, 1898736984, 2109707760, 2373421230, 3164561640, 3797473968, 4746842460, 6329123280, 9493684920, 18987369840]

約数ペア:

[(1, 18987369840), (2, 9493684920), (3, 6329123280), (4, 4746842460), (5, 3797473968), (6, 3164561640), (8, 2373421230), (9, 2109707760), (10, 1898736984), (12, 1582280820), (15, 1265824656), (16, 1186710615), (18, 1054853880), (20, 949368492), (24, 791140410), (27, 703235920), (30, 632912328), (36, 527426940), (40, 474684246), (45, 421941552), (48, 395570205), (54, 351617960), (60, 316456164), (72, 263713470), (80, 237342123), (90, 210970776), (108, 175808980), (120, 158228082), (135, 140647184), (144, 131856735), (180, 105485388), (216, 87904490), (240, 79114041), (270, 70323592), (360, 52742694), (432, 43952245), (443, 42860880), (540, 35161796), (720, 26371347), (886, 21430440), (1080, 17580898), (1329, 14286960), (1772, 10715220), (2160, 8790449), (2215, 8572176), (2658, 7143480), (3544, 5357610), (3987, 4762320), (4430, 4286088), (5316, 3571740), (6645, 2857392), (7088, 2678805), (7974, 2381160), (8860, 2143044), (10632, 1785870), (11961, 1587440), (13290, 1428696), (15948, 1190580), (17720, 1071522), (19843, 956880), (19935, 952464), (21264, 892935), (23922, 793720), (26580, 714348), (31896, 595290), (35440, 535761), (39686, 478440), (39870, 476232), (47844, 396860), (53160, 357174), (59529, 318960), (59805, 317488), (63792, 297645), (79372, 239220), (79740, 238116), (95688, 198430), (99215, 191376), (106320, 178587), (119058, 159480), (119610, 158744)]