131567240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7703}}^1$

素因数の和:7782

約数の個数: 64

約数和(自身を含む): 343906560

約数和(自身を除く): 212339320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 7703, 8540, 15406, 17080, 30812, 38515, 53921, 61624, 77030, 107842, 154060, 215684, 269605, 308120, 431368, 469883, 539210, 939766, 1078420, 1879532, 2156840, 2349415, 3289181, 3759064, 4698830, 6578362, 9397660, 13156724, 16445905, 18795320, 26313448, 32891810, 65783620, 131567240]

約数ペア:

[(1, 131567240), (2, 65783620), (4, 32891810), (5, 26313448), (7, 18795320), (8, 16445905), (10, 13156724), (14, 9397660), (20, 6578362), (28, 4698830), (35, 3759064), (40, 3289181), (56, 2349415), (61, 2156840), (70, 1879532), (122, 1078420), (140, 939766), (244, 539210), (280, 469883), (305, 431368), (427, 308120), (488, 269605), (610, 215684), (854, 154060), (1220, 107842), (1708, 77030), (2135, 61624), (2440, 53921), (3416, 38515), (4270, 30812), (7703, 17080), (8540, 15406)]