68770440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 237783780

約数和(自身を除く): 169013340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 289, 306, 340, 360, 408, 510, 578, 612, 661, 680, 765, 867, 1020, 1156, 1224, 1322, 1445, 1530, 1734, 1983, 2040, 2312, 2601, 2644, 2890, 3060, 3305, 3468, 3966, 4335, 5202, 5288, 5780, 5949, 6120, 6610, 6936, 7932, 8670, 9915, 10404, 11237, 11560, 11898, 13005, 13220, 15864, 17340, 19830, 20808, 22474, 23796, 26010, 26440, 29745, 33711, 34680, 39660, 44948, 47592, 52020, 56185, 59490, 67422, 79320, 89896, 101133, 104040, 112370, 118980, 134844, 168555, 191029, 202266, 224740, 237960, 269688, 337110, 382058, 404532, 449480, 505665, 573087, 674220, 764116, 809064, 955145, 1011330, 1146174, 1348440, 1528232, 1719261, 1910290, 2022660, 2292348, 2865435, 3438522, 3820580, 4045320, 4584696, 5730870, 6877044, 7641160, 8596305, 11461740, 13754088, 17192610, 22923480, 34385220, 68770440]

約数ペア:

[(1, 68770440), (2, 34385220), (3, 22923480), (4, 17192610), (5, 13754088), (6, 11461740), (8, 8596305), (9, 7641160), (10, 6877044), (12, 5730870), (15, 4584696), (17, 4045320), (18, 3820580), (20, 3438522), (24, 2865435), (30, 2292348), (34, 2022660), (36, 1910290), (40, 1719261), (45, 1528232), (51, 1348440), (60, 1146174), (68, 1011330), (72, 955145), (85, 809064), (90, 764116), (102, 674220), (120, 573087), (136, 505665), (153, 449480), (170, 404532), (180, 382058), (204, 337110), (255, 269688), (289, 237960), (306, 224740), (340, 202266), (360, 191029), (408, 168555), (510, 134844), (578, 118980), (612, 112370), (661, 104040), (680, 101133), (765, 89896), (867, 79320), (1020, 67422), (1156, 59490), (1224, 56185), (1322, 52020), (1445, 47592), (1530, 44948), (1734, 39660), (1983, 34680), (2040, 33711), (2312, 29745), (2601, 26440), (2644, 26010), (2890, 23796), (3060, 22474), (3305, 20808), (3468, 19830), (3966, 17340), (4335, 15864), (5202, 13220), (5288, 13005), (5780, 11898), (5949, 11560), (6120, 11237), (6610, 10404), (6936, 9915), (7932, 8670)]