68856760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 194221800

約数和(自身を除く): 125365040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 49, 56, 70, 76, 86, 95, 98, 133, 140, 152, 172, 190, 196, 215, 245, 266, 280, 301, 344, 380, 392, 430, 490, 532, 602, 665, 760, 817, 860, 931, 980, 1064, 1204, 1330, 1505, 1634, 1720, 1849, 1862, 1960, 2107, 2408, 2660, 3010, 3268, 3698, 3724, 4085, 4214, 4655, 5320, 5719, 6020, 6536, 7396, 7448, 8170, 8428, 9245, 9310, 10535, 11438, 12040, 12943, 14792, 16340, 16856, 18490, 18620, 21070, 22876, 25886, 28595, 32680, 35131, 36980, 37240, 40033, 42140, 45752, 51772, 57190, 64715, 70262, 73960, 80066, 84280, 90601, 103544, 114380, 129430, 140524, 160132, 175655, 181202, 200165, 228760, 245917, 258860, 281048, 320264, 351310, 362404, 400330, 453005, 491834, 517720, 702620, 724808, 800660, 906010, 983668, 1229585, 1405240, 1601320, 1721419, 1812020, 1967336, 2459170, 3442838, 3624040, 4918340, 6885676, 8607095, 9836680, 13771352, 17214190, 34428380, 68856760]

約数ペア:

[(1, 68856760), (2, 34428380), (4, 17214190), (5, 13771352), (7, 9836680), (8, 8607095), (10, 6885676), (14, 4918340), (19, 3624040), (20, 3442838), (28, 2459170), (35, 1967336), (38, 1812020), (40, 1721419), (43, 1601320), (49, 1405240), (56, 1229585), (70, 983668), (76, 906010), (86, 800660), (95, 724808), (98, 702620), (133, 517720), (140, 491834), (152, 453005), (172, 400330), (190, 362404), (196, 351310), (215, 320264), (245, 281048), (266, 258860), (280, 245917), (301, 228760), (344, 200165), (380, 181202), (392, 175655), (430, 160132), (490, 140524), (532, 129430), (602, 114380), (665, 103544), (760, 90601), (817, 84280), (860, 80066), (931, 73960), (980, 70262), (1064, 64715), (1204, 57190), (1330, 51772), (1505, 45752), (1634, 42140), (1720, 40033), (1849, 37240), (1862, 36980), (1960, 35131), (2107, 32680), (2408, 28595), (2660, 25886), (3010, 22876), (3268, 21070), (3698, 18620), (3724, 18490), (4085, 16856), (4214, 16340), (4655, 14792), (5320, 12943), (5719, 12040), (6020, 11438), (6536, 10535), (7396, 9310), (7448, 9245), (8170, 8428)]