161408240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6703}}^1$

素因数の和:6766

約数の個数: 80

約数和(自身を含む): 438924288

約数和(自身を除く): 277516048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 6020, 6703, 12040, 13406, 24080, 26812, 33515, 46921, 53624, 67030, 93842, 107248, 134060, 187684, 234605, 268120, 288229, 375368, 469210, 536240, 576458, 750736, 938420, 1152916, 1441145, 1876840, 2017603, 2305832, 2882290, 3753680, 4035206, 4611664, 5764580, 8070412, 10088015, 11529160, 16140824, 20176030, 23058320, 32281648, 40352060, 80704120, 161408240]

約数ペア:

[(1, 161408240), (2, 80704120), (4, 40352060), (5, 32281648), (7, 23058320), (8, 20176030), (10, 16140824), (14, 11529160), (16, 10088015), (20, 8070412), (28, 5764580), (35, 4611664), (40, 4035206), (43, 3753680), (56, 2882290), (70, 2305832), (80, 2017603), (86, 1876840), (112, 1441145), (140, 1152916), (172, 938420), (215, 750736), (280, 576458), (301, 536240), (344, 469210), (430, 375368), (560, 288229), (602, 268120), (688, 234605), (860, 187684), (1204, 134060), (1505, 107248), (1720, 93842), (2408, 67030), (3010, 53624), (3440, 46921), (4816, 33515), (6020, 26812), (6703, 24080), (12040, 13406)]