15124980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19391}}^1$

素因数の和:19416

約数の個数: 48

約数和(自身を含む): 45609984

約数和(自身を除く): 30485004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19391, 38782, 58173, 77564, 96955, 116346, 193910, 232692, 252083, 290865, 387820, 504166, 581730, 756249, 1008332, 1163460, 1260415, 1512498, 2520830, 3024996, 3781245, 5041660, 7562490, 15124980]

約数ペア:

[(1, 15124980), (2, 7562490), (3, 5041660), (4, 3781245), (5, 3024996), (6, 2520830), (10, 1512498), (12, 1260415), (13, 1163460), (15, 1008332), (20, 756249), (26, 581730), (30, 504166), (39, 387820), (52, 290865), (60, 252083), (65, 232692), (78, 193910), (130, 116346), (156, 96955), (195, 77564), (260, 58173), (390, 38782), (780, 19391)]