68997880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 117626120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 107, 140, 188, 196, 214, 235, 245, 280, 329, 343, 376, 392, 428, 470, 490, 535, 658, 686, 749, 856, 940, 980, 1070, 1316, 1372, 1498, 1645, 1715, 1880, 1960, 2140, 2303, 2632, 2744, 2996, 3290, 3430, 3745, 4280, 4606, 5029, 5243, 5992, 6580, 6860, 7490, 9212, 10058, 10486, 11515, 13160, 13720, 14980, 16121, 18424, 20116, 20972, 23030, 25145, 26215, 29960, 32242, 35203, 36701, 40232, 41944, 46060, 50290, 52430, 64484, 70406, 73402, 80605, 92120, 100580, 104860, 128968, 140812, 146804, 161210, 176015, 183505, 201160, 209720, 246421, 281624, 293608, 322420, 352030, 367010, 492842, 644840, 704060, 734020, 985684, 1232105, 1408120, 1468040, 1724947, 1971368, 2464210, 3449894, 4928420, 6899788, 8624735, 9856840, 13799576, 17249470, 34498940, 68997880]

約数ペア:

[(1, 68997880), (2, 34498940), (4, 17249470), (5, 13799576), (7, 9856840), (8, 8624735), (10, 6899788), (14, 4928420), (20, 3449894), (28, 2464210), (35, 1971368), (40, 1724947), (47, 1468040), (49, 1408120), (56, 1232105), (70, 985684), (94, 734020), (98, 704060), (107, 644840), (140, 492842), (188, 367010), (196, 352030), (214, 322420), (235, 293608), (245, 281624), (280, 246421), (329, 209720), (343, 201160), (376, 183505), (392, 176015), (428, 161210), (470, 146804), (490, 140812), (535, 128968), (658, 104860), (686, 100580), (749, 92120), (856, 80605), (940, 73402), (980, 70406), (1070, 64484), (1316, 52430), (1372, 50290), (1498, 46060), (1645, 41944), (1715, 40232), (1880, 36701), (1960, 35203), (2140, 32242), (2303, 29960), (2632, 26215), (2744, 25145), (2996, 23030), (3290, 20972), (3430, 20116), (3745, 18424), (4280, 16121), (4606, 14980), (5029, 13720), (5243, 13160), (5992, 11515), (6580, 10486), (6860, 10058), (7490, 9212)]