81503970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:875

約数の個数: 64

約数和(自身を含む): 203164416

約数和(自身を除く): 121660446

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 101, 111, 185, 202, 222, 303, 370, 505, 555, 606, 727, 1010, 1110, 1454, 1515, 2181, 3030, 3635, 3737, 4362, 7270, 7474, 10905, 11211, 18685, 21810, 22422, 26899, 37370, 53798, 56055, 73427, 80697, 112110, 134495, 146854, 161394, 220281, 268990, 367135, 403485, 440562, 734270, 806970, 1101405, 2202810, 2716799, 5433598, 8150397, 13583995, 16300794, 27167990, 40751985, 81503970]

約数ペア:

[(1, 81503970), (2, 40751985), (3, 27167990), (5, 16300794), (6, 13583995), (10, 8150397), (15, 5433598), (30, 2716799), (37, 2202810), (74, 1101405), (101, 806970), (111, 734270), (185, 440562), (202, 403485), (222, 367135), (303, 268990), (370, 220281), (505, 161394), (555, 146854), (606, 134495), (727, 112110), (1010, 80697), (1110, 73427), (1454, 56055), (1515, 53798), (2181, 37370), (3030, 26899), (3635, 22422), (3737, 21810), (4362, 18685), (7270, 11211), (7474, 10905)]