65293160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 152381520

約数和(自身を除く): 87088360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 157, 185, 281, 296, 314, 370, 562, 628, 740, 785, 1124, 1256, 1405, 1480, 1570, 2248, 2810, 3140, 5620, 5809, 6280, 10397, 11240, 11618, 20794, 23236, 29045, 41588, 44117, 46472, 51985, 58090, 83176, 88234, 103970, 116180, 176468, 207940, 220585, 232360, 352936, 415880, 441170, 882340, 1632329, 1764680, 3264658, 6529316, 8161645, 13058632, 16323290, 32646580, 65293160]

約数ペア:

[(1, 65293160), (2, 32646580), (4, 16323290), (5, 13058632), (8, 8161645), (10, 6529316), (20, 3264658), (37, 1764680), (40, 1632329), (74, 882340), (148, 441170), (157, 415880), (185, 352936), (281, 232360), (296, 220585), (314, 207940), (370, 176468), (562, 116180), (628, 103970), (740, 88234), (785, 83176), (1124, 58090), (1256, 51985), (1405, 46472), (1480, 44117), (1570, 41588), (2248, 29045), (2810, 23236), (3140, 20794), (5620, 11618), (5809, 11240), (6280, 10397)]