66912720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39829}}^1$

素因数の和:39852

約数の個数: 80

約数和(自身を含む): 237068160

約数和(自身を除く): 170155440

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, 240, 280, 336, 420, 560, 840, 1680, 39829, 79658, 119487, 159316, 199145, 238974, 278803, 318632, 398290, 477948, 557606, 597435, 637264, 796580, 836409, 955896, 1115212, 1194870, 1394015, 1593160, 1672818, 1911792, 2230424, 2389740, 2788030, 3186320, 3345636, 4182045, 4460848, 4779480, 5576060, 6691272, 8364090, 9558960, 11152120, 13382544, 16728180, 22304240, 33456360, 66912720]

約数ペア:

[(1, 66912720), (2, 33456360), (3, 22304240), (4, 16728180), (5, 13382544), (6, 11152120), (7, 9558960), (8, 8364090), (10, 6691272), (12, 5576060), (14, 4779480), (15, 4460848), (16, 4182045), (20, 3345636), (21, 3186320), (24, 2788030), (28, 2389740), (30, 2230424), (35, 1911792), (40, 1672818), (42, 1593160), (48, 1394015), (56, 1194870), (60, 1115212), (70, 955896), (80, 836409), (84, 796580), (105, 637264), (112, 597435), (120, 557606), (140, 477948), (168, 398290), (210, 318632), (240, 278803), (280, 238974), (336, 199145), (420, 159316), (560, 119487), (840, 79658), (1680, 39829)]