64416240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{12781}}^1$

素因数の和:12807

約数の個数: 120

約数和(自身を含む): 247255008

約数和(自身を除く): 182838768

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, 12781, 25562, 38343, 51124, 63905, 76686, 89467, 102248, 115029, 127810, 153372, 178934, 191715, 204496, 230058, 255620, 268401, 306744, 357868, 383430, 447335, 460116, 511240, 536802, 575145, 613488, 715736, 766860, 805203, 894670, 920232, 1022480, 1073604, 1150290, 1342005, 1431472, 1533720, 1610406, 1789340, 1840464, 2147208, 2300580, 2684010, 3067440, 3220812, 3578680, 4026015, 4294416, 4601160, 5368020, 6441624, 7157360, 8052030, 9202320, 10736040, 12883248, 16104060, 21472080, 32208120, 64416240]

約数ペア:

[(1, 64416240), (2, 32208120), (3, 21472080), (4, 16104060), (5, 12883248), (6, 10736040), (7, 9202320), (8, 8052030), (9, 7157360), (10, 6441624), (12, 5368020), (14, 4601160), (15, 4294416), (16, 4026015), (18, 3578680), (20, 3220812), (21, 3067440), (24, 2684010), (28, 2300580), (30, 2147208), (35, 1840464), (36, 1789340), (40, 1610406), (42, 1533720), (45, 1431472), (48, 1342005), (56, 1150290), (60, 1073604), (63, 1022480), (70, 920232), (72, 894670), (80, 805203), (84, 766860), (90, 715736), (105, 613488), (112, 575145), (120, 536802), (126, 511240), (140, 460116), (144, 447335), (168, 383430), (180, 357868), (210, 306744), (240, 268401), (252, 255620), (280, 230058), (315, 204496), (336, 191715), (360, 178934), (420, 153372), (504, 127810), (560, 115029), (630, 102248), (720, 89467), (840, 76686), (1008, 63905), (1260, 51124), (1680, 38343), (2520, 25562), (5040, 12781)]