79720760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12379}}^1$

素因数の和:12420

約数の個数: 64

約数和(自身を含む): 213926400

約数和(自身を除く): 134205640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12379, 24758, 49516, 61895, 86653, 99032, 123790, 173306, 247580, 284717, 346612, 433265, 495160, 569434, 693224, 866530, 1138868, 1423585, 1733060, 1993019, 2277736, 2847170, 3466120, 3986038, 5694340, 7972076, 9965095, 11388680, 15944152, 19930190, 39860380, 79720760]

約数ペア:

[(1, 79720760), (2, 39860380), (4, 19930190), (5, 15944152), (7, 11388680), (8, 9965095), (10, 7972076), (14, 5694340), (20, 3986038), (23, 3466120), (28, 2847170), (35, 2277736), (40, 1993019), (46, 1733060), (56, 1423585), (70, 1138868), (92, 866530), (115, 693224), (140, 569434), (161, 495160), (184, 433265), (230, 346612), (280, 284717), (322, 247580), (460, 173306), (644, 123790), (805, 99032), (920, 86653), (1288, 61895), (1610, 49516), (3220, 24758), (6440, 12379)]