68129460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 238492800

約数和(自身を除く): 170363340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 139, 140, 180, 210, 252, 278, 315, 389, 417, 420, 556, 630, 695, 778, 834, 973, 1167, 1251, 1260, 1390, 1556, 1668, 1945, 1946, 2085, 2334, 2502, 2723, 2780, 2919, 3501, 3890, 3892, 4170, 4668, 4865, 5004, 5446, 5835, 5838, 6255, 7002, 7780, 8169, 8340, 8757, 9730, 10892, 11670, 11676, 12510, 13615, 14004, 14595, 16338, 17505, 17514, 19460, 23340, 24507, 25020, 27230, 29190, 32676, 35010, 35028, 40845, 43785, 49014, 54071, 54460, 58380, 70020, 81690, 87570, 98028, 108142, 122535, 162213, 163380, 175140, 216284, 245070, 270355, 324426, 378497, 486639, 490140, 540710, 648852, 756994, 811065, 973278, 1081420, 1135491, 1513988, 1622130, 1892485, 1946556, 2270982, 2433195, 3244260, 3406473, 3784970, 4541964, 4866390, 5677455, 6812946, 7569940, 9732780, 11354910, 13625892, 17032365, 22709820, 34064730, 68129460]

約数ペア:

[(1, 68129460), (2, 34064730), (3, 22709820), (4, 17032365), (5, 13625892), (6, 11354910), (7, 9732780), (9, 7569940), (10, 6812946), (12, 5677455), (14, 4866390), (15, 4541964), (18, 3784970), (20, 3406473), (21, 3244260), (28, 2433195), (30, 2270982), (35, 1946556), (36, 1892485), (42, 1622130), (45, 1513988), (60, 1135491), (63, 1081420), (70, 973278), (84, 811065), (90, 756994), (105, 648852), (126, 540710), (139, 490140), (140, 486639), (180, 378497), (210, 324426), (252, 270355), (278, 245070), (315, 216284), (389, 175140), (417, 163380), (420, 162213), (556, 122535), (630, 108142), (695, 98028), (778, 87570), (834, 81690), (973, 70020), (1167, 58380), (1251, 54460), (1260, 54071), (1390, 49014), (1556, 43785), (1668, 40845), (1945, 35028), (1946, 35010), (2085, 32676), (2334, 29190), (2502, 27230), (2723, 25020), (2780, 24507), (2919, 23340), (3501, 19460), (3890, 17514), (3892, 17505), (4170, 16338), (4668, 14595), (4865, 14004), (5004, 13615), (5446, 12510), (5835, 11676), (5838, 11670), (6255, 10892), (7002, 9730), (7780, 8757), (8169, 8340)]