15942340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 18652220

約数列:

[1, 2, 4, 5, 10, 20, 71, 103, 109, 142, 206, 218, 284, 355, 412, 436, 515, 545, 710, 1030, 1090, 1420, 2060, 2180, 7313, 7739, 11227, 14626, 15478, 22454, 29252, 30956, 36565, 38695, 44908, 56135, 73130, 77390, 112270, 146260, 154780, 224540, 797117, 1594234, 3188468, 3985585, 7971170, 15942340]

約数ペア:

[(1, 15942340), (2, 7971170), (4, 3985585), (5, 3188468), (10, 1594234), (20, 797117), (71, 224540), (103, 154780), (109, 146260), (142, 112270), (206, 77390), (218, 73130), (284, 56135), (355, 44908), (412, 38695), (436, 36565), (515, 30956), (545, 29252), (710, 22454), (1030, 15478), (1090, 14626), (1420, 11227), (2060, 7739), (2180, 7313)]