78569680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 210236544

約数和(自身を除く): 131666864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 346, 560, 692, 811, 865, 1211, 1384, 1622, 1730, 2422, 2768, 3244, 3460, 4055, 4844, 5677, 6055, 6488, 6920, 8110, 9688, 11354, 12110, 12976, 13840, 16220, 19376, 22708, 24220, 28385, 32440, 45416, 48440, 56770, 64880, 90832, 96880, 113540, 140303, 227080, 280606, 454160, 561212, 701515, 982121, 1122424, 1403030, 1964242, 2244848, 2806060, 3928484, 4910605, 5612120, 7856968, 9821210, 11224240, 15713936, 19642420, 39284840, 78569680]

約数ペア:

[(1, 78569680), (2, 39284840), (4, 19642420), (5, 15713936), (7, 11224240), (8, 9821210), (10, 7856968), (14, 5612120), (16, 4910605), (20, 3928484), (28, 2806060), (35, 2244848), (40, 1964242), (56, 1403030), (70, 1122424), (80, 982121), (112, 701515), (140, 561212), (173, 454160), (280, 280606), (346, 227080), (560, 140303), (692, 113540), (811, 96880), (865, 90832), (1211, 64880), (1384, 56770), (1622, 48440), (1730, 45416), (2422, 32440), (2768, 28385), (3244, 24220), (3460, 22708), (4055, 19376), (4844, 16220), (5677, 13840), (6055, 12976), (6488, 12110), (6920, 11354), (8110, 9688)]