3123040

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 7484400

約数和(自身を除く): 4361360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 149, 160, 262, 298, 524, 596, 655, 745, 1048, 1192, 1310, 1490, 2096, 2384, 2620, 2980, 4192, 4768, 5240, 5960, 10480, 11920, 19519, 20960, 23840, 39038, 78076, 97595, 156152, 195190, 312304, 390380, 624608, 780760, 1561520, 3123040]

約数ペア:

[(1, 3123040), (2, 1561520), (4, 780760), (5, 624608), (8, 390380), (10, 312304), (16, 195190), (20, 156152), (32, 97595), (40, 78076), (80, 39038), (131, 23840), (149, 20960), (160, 19519), (262, 11920), (298, 10480), (524, 5960), (596, 5240), (655, 4768), (745, 4192), (1048, 2980), (1192, 2620), (1310, 2384), (1490, 2096)]