15947940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2029}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 29069340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2029, 2620, 3930, 4058, 6087, 7860, 8116, 10145, 12174, 20290, 24348, 30435, 40580, 60870, 121740, 265799, 531598, 797397, 1063196, 1328995, 1594794, 2657990, 3189588, 3986985, 5315980, 7973970, 15947940]

約数ペア:

[(1, 15947940), (2, 7973970), (3, 5315980), (4, 3986985), (5, 3189588), (6, 2657990), (10, 1594794), (12, 1328995), (15, 1063196), (20, 797397), (30, 531598), (60, 265799), (131, 121740), (262, 60870), (393, 40580), (524, 30435), (655, 24348), (786, 20290), (1310, 12174), (1572, 10145), (1965, 8116), (2029, 7860), (2620, 6087), (3930, 4058)]