291216240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{57781}}^1$

素因数の和:57807

約数の個数: 120

約数和(自身を含む): 1117735008

約数和(自身を除く): 826518768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 57781, 115562, 173343, 231124, 288905, 346686, 404467, 462248, 520029, 577810, 693372, 808934, 866715, 924496, 1040058, 1155620, 1213401, 1386744, 1617868, 1733430, 2022335, 2080116, 2311240, 2426802, 2600145, 2773488, 3235736, 3466860, 3640203, 4044670, 4160232, 4622480, 4853604, 5200290, 6067005, 6471472, 6933720, 7280406, 8089340, 8320464, 9707208, 10400580, 12134010, 13867440, 14560812, 16178680, 18201015, 19414416, 20801160, 24268020, 29121624, 32357360, 36402030, 41602320, 48536040, 58243248, 72804060, 97072080, 145608120, 291216240]

約数ペア:

[(1, 291216240), (2, 145608120), (3, 97072080), (4, 72804060), (5, 58243248), (6, 48536040), (7, 41602320), (8, 36402030), (9, 32357360), (10, 29121624), (12, 24268020), (14, 20801160), (15, 19414416), (16, 18201015), (18, 16178680), (20, 14560812), (21, 13867440), (24, 12134010), (28, 10400580), (30, 9707208), (35, 8320464), (36, 8089340), (40, 7280406), (42, 6933720), (45, 6471472), (48, 6067005), (56, 5200290), (60, 4853604), (63, 4622480), (70, 4160232), (72, 4044670), (80, 3640203), (84, 3466860), (90, 3235736), (105, 2773488), (112, 2600145), (120, 2426802), (126, 2311240), (140, 2080116), (144, 2022335), (168, 1733430), (180, 1617868), (210, 1386744), (240, 1213401), (252, 1155620), (280, 1040058), (315, 924496), (336, 866715), (360, 808934), (420, 693372), (504, 577810), (560, 520029), (630, 462248), (720, 404467), (840, 346686), (1008, 288905), (1260, 231124), (1680, 173343), (2520, 115562), (5040, 57781)]