221661168120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{87960781}}^1$

素因数の和:87960805

約数の個数: 96

約数和(自身を含む): 823312919520

約数和(自身を除く): 601651751400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 87960781, 175921562, 263882343, 351843124, 439803905, 527764686, 615725467, 703686248, 791647029, 879607810, 1055529372, 1231450934, 1319411715, 1583294058, 1759215620, 1847176401, 2111058744, 2462901868, 2638823430, 3078627335, 3166588116, 3518431240, 3694352802, 3958235145, 4925803736, 5277646860, 5541529203, 6157254670, 6333176232, 7388705604, 7916470290, 9235882005, 10555293720, 11083058406, 12314509340, 14777411208, 15832940580, 18471764010, 22166116812, 24629018680, 27707646015, 31665881160, 36943528020, 44332233624, 55415292030, 73887056040, 110830584060, 221661168120]

約数ペア:

[(1, 221661168120), (2, 110830584060), (3, 73887056040), (4, 55415292030), (5, 44332233624), (6, 36943528020), (7, 31665881160), (8, 27707646015), (9, 24629018680), (10, 22166116812), (12, 18471764010), (14, 15832940580), (15, 14777411208), (18, 12314509340), (20, 11083058406), (21, 10555293720), (24, 9235882005), (28, 7916470290), (30, 7388705604), (35, 6333176232), (36, 6157254670), (40, 5541529203), (42, 5277646860), (45, 4925803736), (56, 3958235145), (60, 3694352802), (63, 3518431240), (70, 3166588116), (72, 3078627335), (84, 2638823430), (90, 2462901868), (105, 2111058744), (120, 1847176401), (126, 1759215620), (140, 1583294058), (168, 1319411715), (180, 1231450934), (210, 1055529372), (252, 879607810), (280, 791647029), (315, 703686248), (360, 615725467), (420, 527764686), (504, 439803905), (630, 351843124), (840, 263882343), (1260, 175921562), (2520, 87960781)]