18972637920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13175443}}^1$

素因数の和:13175464

約数の個数: 72

約数和(自身を含む): 64744131816

約数和(自身を除く): 45771493896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13175443, 26350886, 39526329, 52701772, 65877215, 79052658, 105403544, 118578987, 131754430, 158105316, 197631645, 210807088, 237157974, 263508860, 316210632, 395263290, 421614176, 474315948, 527017720, 592894935, 632421264, 790526580, 948631896, 1054035440, 1185789870, 1264842528, 1581053160, 1897263792, 2108070880, 2371579740, 3162106320, 3794527584, 4743159480, 6324212640, 9486318960, 18972637920]

約数ペア:

[(1, 18972637920), (2, 9486318960), (3, 6324212640), (4, 4743159480), (5, 3794527584), (6, 3162106320), (8, 2371579740), (9, 2108070880), (10, 1897263792), (12, 1581053160), (15, 1264842528), (16, 1185789870), (18, 1054035440), (20, 948631896), (24, 790526580), (30, 632421264), (32, 592894935), (36, 527017720), (40, 474315948), (45, 421614176), (48, 395263290), (60, 316210632), (72, 263508860), (80, 237157974), (90, 210807088), (96, 197631645), (120, 158105316), (144, 131754430), (160, 118578987), (180, 105403544), (240, 79052658), (288, 65877215), (360, 52701772), (480, 39526329), (720, 26350886), (1440, 13175443)]