254299920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:913

約数の個数: 160

約数和(自身を含む): 906251520

約数和(自身を除く): 651951600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 229, 240, 280, 336, 420, 458, 560, 661, 687, 840, 916, 1145, 1322, 1374, 1603, 1680, 1832, 1983, 2290, 2644, 2748, 3206, 3305, 3435, 3664, 3966, 4580, 4627, 4809, 5288, 5496, 6412, 6610, 6870, 7932, 8015, 9160, 9254, 9618, 9915, 10576, 10992, 12824, 13220, 13740, 13881, 15864, 16030, 18320, 18508, 19236, 19830, 23135, 24045, 25648, 26440, 27480, 27762, 31728, 32060, 37016, 38472, 39660, 46270, 48090, 52880, 54960, 55524, 64120, 69405, 74032, 76944, 79320, 92540, 96180, 111048, 128240, 138810, 151369, 158640, 185080, 192360, 222096, 277620, 302738, 370160, 384720, 454107, 555240, 605476, 756845, 908214, 1059583, 1110480, 1210952, 1513690, 1816428, 2119166, 2270535, 2421904, 3027380, 3178749, 3632856, 4238332, 4541070, 5297915, 6054760, 6357498, 7265712, 8476664, 9082140, 10595830, 12109520, 12714996, 15893745, 16953328, 18164280, 21191660, 25429992, 31787490, 36328560, 42383320, 50859984, 63574980, 84766640, 127149960, 254299920]

約数ペア:

[(1, 254299920), (2, 127149960), (3, 84766640), (4, 63574980), (5, 50859984), (6, 42383320), (7, 36328560), (8, 31787490), (10, 25429992), (12, 21191660), (14, 18164280), (15, 16953328), (16, 15893745), (20, 12714996), (21, 12109520), (24, 10595830), (28, 9082140), (30, 8476664), (35, 7265712), (40, 6357498), (42, 6054760), (48, 5297915), (56, 4541070), (60, 4238332), (70, 3632856), (80, 3178749), (84, 3027380), (105, 2421904), (112, 2270535), (120, 2119166), (140, 1816428), (168, 1513690), (210, 1210952), (229, 1110480), (240, 1059583), (280, 908214), (336, 756845), (420, 605476), (458, 555240), (560, 454107), (661, 384720), (687, 370160), (840, 302738), (916, 277620), (1145, 222096), (1322, 192360), (1374, 185080), (1603, 158640), (1680, 151369), (1832, 138810), (1983, 128240), (2290, 111048), (2644, 96180), (2748, 92540), (3206, 79320), (3305, 76944), (3435, 74032), (3664, 69405), (3966, 64120), (4580, 55524), (4627, 54960), (4809, 52880), (5288, 48090), (5496, 46270), (6412, 39660), (6610, 38472), (6870, 37016), (7932, 32060), (8015, 31728), (9160, 27762), (9254, 27480), (9618, 26440), (9915, 25648), (10576, 24045), (10992, 23135), (12824, 19830), (13220, 19236), (13740, 18508), (13881, 18320), (15864, 16030)]