12167980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 30481920

約数和(自身を除く): 18313940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 71, 76, 82, 95, 110, 142, 164, 190, 205, 209, 220, 284, 355, 380, 410, 418, 451, 710, 779, 781, 820, 836, 902, 1045, 1349, 1420, 1558, 1562, 1804, 2090, 2255, 2698, 2911, 3116, 3124, 3895, 3905, 4180, 4510, 5396, 5822, 6745, 7790, 7810, 8569, 9020, 11644, 13490, 14555, 14839, 15580, 15620, 17138, 26980, 29110, 29678, 32021, 34276, 42845, 55309, 58220, 59356, 64042, 74195, 85690, 110618, 128084, 148390, 160105, 171380, 221236, 276545, 296780, 320210, 553090, 608399, 640420, 1106180, 1216798, 2433596, 3041995, 6083990, 12167980]

約数ペア:

[(1, 12167980), (2, 6083990), (4, 3041995), (5, 2433596), (10, 1216798), (11, 1106180), (19, 640420), (20, 608399), (22, 553090), (38, 320210), (41, 296780), (44, 276545), (55, 221236), (71, 171380), (76, 160105), (82, 148390), (95, 128084), (110, 110618), (142, 85690), (164, 74195), (190, 64042), (205, 59356), (209, 58220), (220, 55309), (284, 42845), (355, 34276), (380, 32021), (410, 29678), (418, 29110), (451, 26980), (710, 17138), (779, 15620), (781, 15580), (820, 14839), (836, 14555), (902, 13490), (1045, 11644), (1349, 9020), (1420, 8569), (1558, 7810), (1562, 7790), (1804, 6745), (2090, 5822), (2255, 5396), (2698, 4510), (2911, 4180), (3116, 3905), (3124, 3895)]