64613920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1914

約数の個数: 96

約数和(自身を含む): 180182016

約数和(自身を除く): 115568096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1861, 2170, 2480, 3472, 3722, 4340, 4960, 6944, 7444, 8680, 9305, 13027, 14888, 17360, 18610, 26054, 29776, 34720, 37220, 52108, 57691, 59552, 65135, 74440, 104216, 115382, 130270, 148880, 208432, 230764, 260540, 288455, 297760, 403837, 416864, 461528, 521080, 576910, 807674, 923056, 1042160, 1153820, 1615348, 1846112, 2019185, 2084320, 2307640, 3230696, 4038370, 4615280, 6461392, 8076740, 9230560, 12922784, 16153480, 32306960, 64613920]

約数ペア:

[(1, 64613920), (2, 32306960), (4, 16153480), (5, 12922784), (7, 9230560), (8, 8076740), (10, 6461392), (14, 4615280), (16, 4038370), (20, 3230696), (28, 2307640), (31, 2084320), (32, 2019185), (35, 1846112), (40, 1615348), (56, 1153820), (62, 1042160), (70, 923056), (80, 807674), (112, 576910), (124, 521080), (140, 461528), (155, 416864), (160, 403837), (217, 297760), (224, 288455), (248, 260540), (280, 230764), (310, 208432), (434, 148880), (496, 130270), (560, 115382), (620, 104216), (868, 74440), (992, 65135), (1085, 59552), (1120, 57691), (1240, 52108), (1736, 37220), (1861, 34720), (2170, 29776), (2480, 26054), (3472, 18610), (3722, 17360), (4340, 14888), (4960, 13027), (6944, 9305), (7444, 8680)]