77888120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2796

約数の個数: 64

約数和(自身を含む): 188835840

約数和(自身を除く): 110947720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2731, 2852, 3565, 5462, 5704, 7130, 10924, 13655, 14260, 21848, 27310, 28520, 54620, 62813, 84661, 109240, 125626, 169322, 251252, 314065, 338644, 423305, 502504, 628130, 677288, 846610, 1256260, 1693220, 1947203, 2512520, 3386440, 3894406, 7788812, 9736015, 15577624, 19472030, 38944060, 77888120]

約数ペア:

[(1, 77888120), (2, 38944060), (4, 19472030), (5, 15577624), (8, 9736015), (10, 7788812), (20, 3894406), (23, 3386440), (31, 2512520), (40, 1947203), (46, 1693220), (62, 1256260), (92, 846610), (115, 677288), (124, 628130), (155, 502504), (184, 423305), (230, 338644), (248, 314065), (310, 251252), (460, 169322), (620, 125626), (713, 109240), (920, 84661), (1240, 62813), (1426, 54620), (2731, 28520), (2852, 27310), (3565, 21848), (5462, 14260), (5704, 13655), (7130, 10924)]