68781240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1579}}^1$

素因数の和:1618

約数の個数: 144

約数和(自身を含む): 245863800

約数和(自身を除く): 177082560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1579, 1815, 1980, 2178, 2420, 2904, 3158, 3630, 3960, 4356, 4737, 4840, 5445, 6316, 7260, 7895, 8712, 9474, 10890, 12632, 14211, 14520, 15790, 17369, 18948, 21780, 23685, 28422, 31580, 34738, 37896, 43560, 47370, 52107, 56844, 63160, 69476, 71055, 86845, 94740, 104214, 113688, 138952, 142110, 156321, 173690, 189480, 191059, 208428, 260535, 284220, 312642, 347380, 382118, 416856, 521070, 568440, 573177, 625284, 694760, 764236, 781605, 955295, 1042140, 1146354, 1250568, 1528472, 1563210, 1719531, 1910590, 2084280, 2292708, 2865885, 3126420, 3439062, 3821180, 4585416, 5731770, 6252840, 6878124, 7642360, 8597655, 11463540, 13756248, 17195310, 22927080, 34390620, 68781240]

約数ペア:

[(1, 68781240), (2, 34390620), (3, 22927080), (4, 17195310), (5, 13756248), (6, 11463540), (8, 8597655), (9, 7642360), (10, 6878124), (11, 6252840), (12, 5731770), (15, 4585416), (18, 3821180), (20, 3439062), (22, 3126420), (24, 2865885), (30, 2292708), (33, 2084280), (36, 1910590), (40, 1719531), (44, 1563210), (45, 1528472), (55, 1250568), (60, 1146354), (66, 1042140), (72, 955295), (88, 781605), (90, 764236), (99, 694760), (110, 625284), (120, 573177), (121, 568440), (132, 521070), (165, 416856), (180, 382118), (198, 347380), (220, 312642), (242, 284220), (264, 260535), (330, 208428), (360, 191059), (363, 189480), (396, 173690), (440, 156321), (484, 142110), (495, 138952), (605, 113688), (660, 104214), (726, 94740), (792, 86845), (968, 71055), (990, 69476), (1089, 63160), (1210, 56844), (1320, 52107), (1452, 47370), (1579, 43560), (1815, 37896), (1980, 34738), (2178, 31580), (2420, 28422), (2904, 23685), (3158, 21780), (3630, 18948), (3960, 17369), (4356, 15790), (4737, 14520), (4840, 14211), (5445, 12632), (6316, 10890), (7260, 9474), (7895, 8712)]