15661760360

素因数分解:

$2^3\times 5^1\times {\mathrm{13687}}^1\times {\mathrm{28607}}^1$

素因数の和:42305

約数の個数: 32

約数和(自身を含む): 35242767360

約数和(自身を除く): 19581007000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13687, 27374, 28607, 54748, 57214, 68435, 109496, 114428, 136870, 143035, 228856, 273740, 286070, 547480, 572140, 1144280, 391544009, 783088018, 1566176036, 1957720045, 3132352072, 3915440090, 7830880180, 15661760360]

約数ペア:

[(1, 15661760360), (2, 7830880180), (4, 3915440090), (5, 3132352072), (8, 1957720045), (10, 1566176036), (20, 783088018), (40, 391544009), (13687, 1144280), (27374, 572140), (28607, 547480), (54748, 286070), (57214, 273740), (68435, 228856), (109496, 143035), (114428, 136870)]