1215868610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{1031}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 2439548928

約数和(自身を除く): 1223680318

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 151, 302, 355, 710, 755, 781, 1031, 1510, 1562, 1661, 2062, 3322, 3905, 5155, 7810, 8305, 10310, 10721, 11341, 16610, 21442, 22682, 53605, 56705, 73201, 107210, 113410, 117931, 146402, 155681, 235862, 311362, 366005, 589655, 732010, 778405, 805211, 1179310, 1556810, 1610422, 1712491, 3424982, 4026055, 8052110, 8562455, 11053351, 17124910, 22106702, 55266755, 110533510, 121586861, 243173722, 607934305, 1215868610]

約数ペア:

[(1, 1215868610), (2, 607934305), (5, 243173722), (10, 121586861), (11, 110533510), (22, 55266755), (55, 22106702), (71, 17124910), (110, 11053351), (142, 8562455), (151, 8052110), (302, 4026055), (355, 3424982), (710, 1712491), (755, 1610422), (781, 1556810), (1031, 1179310), (1510, 805211), (1562, 778405), (1661, 732010), (2062, 589655), (3322, 366005), (3905, 311362), (5155, 235862), (7810, 155681), (8305, 146402), (10310, 117931), (10721, 113410), (11341, 107210), (16610, 73201), (21442, 56705), (22682, 53605)]