68973660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 192

約数和(自身を含む): 249661440

約数和(自身を除く): 180687780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 84, 90, 105, 108, 126, 135, 140, 142, 180, 189, 210, 213, 252, 257, 270, 284, 315, 355, 378, 420, 426, 497, 514, 540, 630, 639, 710, 756, 771, 852, 945, 994, 1028, 1065, 1260, 1278, 1285, 1420, 1491, 1542, 1799, 1890, 1917, 1988, 2130, 2313, 2485, 2556, 2570, 2982, 3084, 3195, 3598, 3780, 3834, 3855, 4260, 4473, 4626, 4970, 5140, 5397, 5964, 6390, 6939, 7196, 7455, 7668, 7710, 8946, 8995, 9252, 9585, 9940, 10794, 11565, 12780, 13419, 13878, 14910, 15420, 16191, 17892, 17990, 18247, 19170, 21588, 22365, 23130, 26838, 26985, 27756, 29820, 32382, 34695, 35980, 36494, 38340, 44730, 46260, 48573, 53676, 53970, 54741, 64764, 67095, 69390, 72988, 80955, 89460, 91235, 97146, 107940, 109482, 127729, 134190, 138780, 161910, 164223, 182470, 194292, 218964, 242865, 255458, 268380, 273705, 323820, 328446, 364940, 383187, 485730, 492669, 510916, 547410, 638645, 656892, 766374, 821115, 971460, 985338, 1094820, 1149561, 1277290, 1532748, 1642230, 1915935, 1970676, 2299122, 2463345, 2554580, 3284460, 3448683, 3831870, 4598244, 4926690, 5747805, 6897366, 7663740, 9853380, 11495610, 13794732, 17243415, 22991220, 34486830, 68973660]

約数ペア:

[(1, 68973660), (2, 34486830), (3, 22991220), (4, 17243415), (5, 13794732), (6, 11495610), (7, 9853380), (9, 7663740), (10, 6897366), (12, 5747805), (14, 4926690), (15, 4598244), (18, 3831870), (20, 3448683), (21, 3284460), (27, 2554580), (28, 2463345), (30, 2299122), (35, 1970676), (36, 1915935), (42, 1642230), (45, 1532748), (54, 1277290), (60, 1149561), (63, 1094820), (70, 985338), (71, 971460), (84, 821115), (90, 766374), (105, 656892), (108, 638645), (126, 547410), (135, 510916), (140, 492669), (142, 485730), (180, 383187), (189, 364940), (210, 328446), (213, 323820), (252, 273705), (257, 268380), (270, 255458), (284, 242865), (315, 218964), (355, 194292), (378, 182470), (420, 164223), (426, 161910), (497, 138780), (514, 134190), (540, 127729), (630, 109482), (639, 107940), (710, 97146), (756, 91235), (771, 89460), (852, 80955), (945, 72988), (994, 69390), (1028, 67095), (1065, 64764), (1260, 54741), (1278, 53970), (1285, 53676), (1420, 48573), (1491, 46260), (1542, 44730), (1799, 38340), (1890, 36494), (1917, 35980), (1988, 34695), (2130, 32382), (2313, 29820), (2485, 27756), (2556, 26985), (2570, 26838), (2982, 23130), (3084, 22365), (3195, 21588), (3598, 19170), (3780, 18247), (3834, 17990), (3855, 17892), (4260, 16191), (4473, 15420), (4626, 14910), (4970, 13878), (5140, 13419), (5397, 12780), (5964, 11565), (6390, 10794), (6939, 9940), (7196, 9585), (7455, 9252), (7668, 8995), (7710, 8946)]