39678680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 102643200

約数和(自身を除く): 62964520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 43, 46, 59, 68, 85, 86, 92, 115, 118, 136, 170, 172, 184, 215, 230, 236, 295, 340, 344, 391, 430, 460, 472, 590, 680, 731, 782, 860, 920, 989, 1003, 1180, 1357, 1462, 1564, 1720, 1955, 1978, 2006, 2360, 2537, 2714, 2924, 3128, 3655, 3910, 3956, 4012, 4945, 5015, 5074, 5428, 5848, 6785, 7310, 7820, 7912, 8024, 9890, 10030, 10148, 10856, 12685, 13570, 14620, 15640, 16813, 19780, 20060, 20296, 23069, 25370, 27140, 29240, 33626, 39560, 40120, 43129, 46138, 50740, 54280, 58351, 67252, 84065, 86258, 92276, 101480, 115345, 116702, 134504, 168130, 172516, 184552, 215645, 230690, 233404, 291755, 336260, 345032, 431290, 461380, 466808, 583510, 672520, 862580, 922760, 991967, 1167020, 1725160, 1983934, 2334040, 3967868, 4959835, 7935736, 9919670, 19839340, 39678680]

約数ペア:

[(1, 39678680), (2, 19839340), (4, 9919670), (5, 7935736), (8, 4959835), (10, 3967868), (17, 2334040), (20, 1983934), (23, 1725160), (34, 1167020), (40, 991967), (43, 922760), (46, 862580), (59, 672520), (68, 583510), (85, 466808), (86, 461380), (92, 431290), (115, 345032), (118, 336260), (136, 291755), (170, 233404), (172, 230690), (184, 215645), (215, 184552), (230, 172516), (236, 168130), (295, 134504), (340, 116702), (344, 115345), (391, 101480), (430, 92276), (460, 86258), (472, 84065), (590, 67252), (680, 58351), (731, 54280), (782, 50740), (860, 46138), (920, 43129), (989, 40120), (1003, 39560), (1180, 33626), (1357, 29240), (1462, 27140), (1564, 25370), (1720, 23069), (1955, 20296), (1978, 20060), (2006, 19780), (2360, 16813), (2537, 15640), (2714, 14620), (2924, 13570), (3128, 12685), (3655, 10856), (3910, 10148), (3956, 10030), (4012, 9890), (4945, 8024), (5015, 7912), (5074, 7820), (5428, 7310), (5848, 6785)]