40277720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 111628800

約数和(自身を除く): 71351080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 67, 70, 76, 95, 113, 133, 134, 140, 152, 190, 226, 266, 268, 280, 335, 380, 452, 469, 532, 536, 565, 665, 670, 760, 791, 904, 938, 1064, 1130, 1273, 1330, 1340, 1582, 1876, 2147, 2260, 2345, 2546, 2660, 2680, 3164, 3752, 3955, 4294, 4520, 4690, 5092, 5320, 6328, 6365, 7571, 7910, 8588, 8911, 9380, 10184, 10735, 12730, 15029, 15142, 15820, 17176, 17822, 18760, 21470, 25460, 30058, 30284, 31640, 35644, 37855, 42940, 44555, 50920, 52997, 60116, 60568, 71288, 75145, 75710, 85880, 89110, 105994, 120232, 143849, 150290, 151420, 178220, 211988, 264985, 287698, 300580, 302840, 356440, 423976, 529970, 575396, 601160, 719245, 1006943, 1059940, 1150792, 1438490, 2013886, 2119880, 2876980, 4027772, 5034715, 5753960, 8055544, 10069430, 20138860, 40277720]

約数ペア:

[(1, 40277720), (2, 20138860), (4, 10069430), (5, 8055544), (7, 5753960), (8, 5034715), (10, 4027772), (14, 2876980), (19, 2119880), (20, 2013886), (28, 1438490), (35, 1150792), (38, 1059940), (40, 1006943), (56, 719245), (67, 601160), (70, 575396), (76, 529970), (95, 423976), (113, 356440), (133, 302840), (134, 300580), (140, 287698), (152, 264985), (190, 211988), (226, 178220), (266, 151420), (268, 150290), (280, 143849), (335, 120232), (380, 105994), (452, 89110), (469, 85880), (532, 75710), (536, 75145), (565, 71288), (665, 60568), (670, 60116), (760, 52997), (791, 50920), (904, 44555), (938, 42940), (1064, 37855), (1130, 35644), (1273, 31640), (1330, 30284), (1340, 30058), (1582, 25460), (1876, 21470), (2147, 18760), (2260, 17822), (2345, 17176), (2546, 15820), (2660, 15142), (2680, 15029), (3164, 12730), (3752, 10735), (3955, 10184), (4294, 9380), (4520, 8911), (4690, 8588), (5092, 7910), (5320, 7571), (6328, 6365)]