15955120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 60

約数和(自身を含む): 38341296

約数和(自身を除く): 22386176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 71, 80, 106, 142, 212, 265, 284, 355, 424, 530, 568, 710, 848, 1060, 1136, 1420, 2120, 2809, 2840, 3763, 4240, 5618, 5680, 7526, 11236, 14045, 15052, 18815, 22472, 28090, 30104, 37630, 44944, 56180, 60208, 75260, 112360, 150520, 199439, 224720, 301040, 398878, 797756, 997195, 1595512, 1994390, 3191024, 3988780, 7977560, 15955120]

約数ペア:

[(1, 15955120), (2, 7977560), (4, 3988780), (5, 3191024), (8, 1994390), (10, 1595512), (16, 997195), (20, 797756), (40, 398878), (53, 301040), (71, 224720), (80, 199439), (106, 150520), (142, 112360), (212, 75260), (265, 60208), (284, 56180), (355, 44944), (424, 37630), (530, 30104), (568, 28090), (710, 22472), (848, 18815), (1060, 15052), (1136, 14045), (1420, 11236), (2120, 7526), (2809, 5680), (2840, 5618), (3763, 4240)]