15198820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1193}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 40018104

約数和(自身を除く): 24819284

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1193, 1274, 1820, 2386, 2548, 3185, 4772, 5965, 6370, 8351, 11930, 12740, 15509, 16702, 23860, 31018, 33404, 41755, 58457, 62036, 77545, 83510, 108563, 116914, 155090, 167020, 217126, 233828, 292285, 310180, 434252, 542815, 584570, 759941, 1085630, 1169140, 1519882, 2171260, 3039764, 3799705, 7599410, 15198820]

約数ペア:

[(1, 15198820), (2, 7599410), (4, 3799705), (5, 3039764), (7, 2171260), (10, 1519882), (13, 1169140), (14, 1085630), (20, 759941), (26, 584570), (28, 542815), (35, 434252), (49, 310180), (52, 292285), (65, 233828), (70, 217126), (91, 167020), (98, 155090), (130, 116914), (140, 108563), (182, 83510), (196, 77545), (245, 62036), (260, 58457), (364, 41755), (455, 33404), (490, 31018), (637, 23860), (910, 16702), (980, 15509), (1193, 12740), (1274, 11930), (1820, 8351), (2386, 6370), (2548, 5965), (3185, 4772)]