42890120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11783}}^1$

素因数の和:11814

約数の個数: 64

約数和(自身を含む): 118782720

約数和(自身を除く): 75892600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 11783, 23566, 47132, 58915, 82481, 94264, 117830, 153179, 164962, 235660, 306358, 329924, 412405, 471320, 612716, 659848, 765895, 824810, 1072253, 1225432, 1531790, 1649620, 2144506, 3063580, 3299240, 4289012, 5361265, 6127160, 8578024, 10722530, 21445060, 42890120]

約数ペア:

[(1, 42890120), (2, 21445060), (4, 10722530), (5, 8578024), (7, 6127160), (8, 5361265), (10, 4289012), (13, 3299240), (14, 3063580), (20, 2144506), (26, 1649620), (28, 1531790), (35, 1225432), (40, 1072253), (52, 824810), (56, 765895), (65, 659848), (70, 612716), (91, 471320), (104, 412405), (130, 329924), (140, 306358), (182, 235660), (260, 164962), (280, 153179), (364, 117830), (455, 94264), (520, 82481), (728, 58915), (910, 47132), (1820, 23566), (3640, 11783)]