81745440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{24329}}^1$

素因数の和:24354

約数の個数: 96

約数和(自身を含む): 294295680

約数和(自身を除く): 212550240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 24329, 48658, 72987, 97316, 121645, 145974, 170303, 194632, 243290, 291948, 340606, 364935, 389264, 486580, 510909, 583896, 681212, 729870, 778528, 851515, 973160, 1021818, 1167792, 1362424, 1459740, 1703030, 1946320, 2043636, 2335584, 2554545, 2724848, 2919480, 3406060, 3892640, 4087272, 5109090, 5449696, 5838960, 6812120, 8174544, 10218180, 11677920, 13624240, 16349088, 20436360, 27248480, 40872720, 81745440]

約数ペア:

[(1, 81745440), (2, 40872720), (3, 27248480), (4, 20436360), (5, 16349088), (6, 13624240), (7, 11677920), (8, 10218180), (10, 8174544), (12, 6812120), (14, 5838960), (15, 5449696), (16, 5109090), (20, 4087272), (21, 3892640), (24, 3406060), (28, 2919480), (30, 2724848), (32, 2554545), (35, 2335584), (40, 2043636), (42, 1946320), (48, 1703030), (56, 1459740), (60, 1362424), (70, 1167792), (80, 1021818), (84, 973160), (96, 851515), (105, 778528), (112, 729870), (120, 681212), (140, 583896), (160, 510909), (168, 486580), (210, 389264), (224, 364935), (240, 340606), (280, 291948), (336, 243290), (420, 194632), (480, 170303), (560, 145974), (672, 121645), (840, 97316), (1120, 72987), (1680, 48658), (3360, 24329)]