131557520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2111}}^1$

素因数の和:2184

約数の個数: 80

約数和(自身を含む): 329978880

約数和(自身を除く): 198421360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 2111, 3116, 3280, 3895, 4222, 6232, 7790, 8444, 10555, 12464, 15580, 16888, 21110, 31160, 33776, 40109, 42220, 62320, 80218, 84440, 86551, 160436, 168880, 173102, 200545, 320872, 346204, 401090, 432755, 641744, 692408, 802180, 865510, 1384816, 1604360, 1644469, 1731020, 3208720, 3288938, 3462040, 6577876, 6924080, 8222345, 13155752, 16444690, 26311504, 32889380, 65778760, 131557520]

約数ペア:

[(1, 131557520), (2, 65778760), (4, 32889380), (5, 26311504), (8, 16444690), (10, 13155752), (16, 8222345), (19, 6924080), (20, 6577876), (38, 3462040), (40, 3288938), (41, 3208720), (76, 1731020), (80, 1644469), (82, 1604360), (95, 1384816), (152, 865510), (164, 802180), (190, 692408), (205, 641744), (304, 432755), (328, 401090), (380, 346204), (410, 320872), (656, 200545), (760, 173102), (779, 168880), (820, 160436), (1520, 86551), (1558, 84440), (1640, 80218), (2111, 62320), (3116, 42220), (3280, 40109), (3895, 33776), (4222, 31160), (6232, 21110), (7790, 16888), (8444, 15580), (10555, 12464)]