15290480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11243}}^1$

素因数の和:11273

約数の個数: 40

約数和(自身を含む): 37644912

約数和(自身を除く): 22354432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11243, 22486, 44972, 56215, 89944, 112430, 179888, 191131, 224860, 382262, 449720, 764524, 899440, 955655, 1529048, 1911310, 3058096, 3822620, 7645240, 15290480]

約数ペア:

[(1, 15290480), (2, 7645240), (4, 3822620), (5, 3058096), (8, 1911310), (10, 1529048), (16, 955655), (17, 899440), (20, 764524), (34, 449720), (40, 382262), (68, 224860), (80, 191131), (85, 179888), (136, 112430), (170, 89944), (272, 56215), (340, 44972), (680, 22486), (1360, 11243)]