15685780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 38610432

約数和(自身を除く): 22924652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 41, 44, 47, 55, 74, 82, 94, 110, 148, 164, 185, 188, 205, 220, 235, 370, 407, 410, 451, 470, 517, 740, 814, 820, 902, 940, 1034, 1517, 1628, 1739, 1804, 1927, 2035, 2068, 2255, 2585, 3034, 3478, 3854, 4070, 4510, 5170, 6068, 6956, 7585, 7708, 8140, 8695, 9020, 9635, 10340, 15170, 16687, 17390, 19129, 19270, 21197, 30340, 33374, 34780, 38258, 38540, 42394, 66748, 71299, 76516, 83435, 84788, 95645, 105985, 142598, 166870, 191290, 211970, 285196, 333740, 356495, 382580, 423940, 712990, 784289, 1425980, 1568578, 3137156, 3921445, 7842890, 15685780]

約数ペア:

[(1, 15685780), (2, 7842890), (4, 3921445), (5, 3137156), (10, 1568578), (11, 1425980), (20, 784289), (22, 712990), (37, 423940), (41, 382580), (44, 356495), (47, 333740), (55, 285196), (74, 211970), (82, 191290), (94, 166870), (110, 142598), (148, 105985), (164, 95645), (185, 84788), (188, 83435), (205, 76516), (220, 71299), (235, 66748), (370, 42394), (407, 38540), (410, 38258), (451, 34780), (470, 33374), (517, 30340), (740, 21197), (814, 19270), (820, 19129), (902, 17390), (940, 16687), (1034, 15170), (1517, 10340), (1628, 9635), (1739, 9020), (1804, 8695), (1927, 8140), (2035, 7708), (2068, 7585), (2255, 6956), (2585, 6068), (3034, 5170), (3478, 4510), (3854, 4070)]