2311140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2988

約数の個数: 48

約数和(自身を含む): 6971328

約数和(自身を除く): 4660188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2963, 5926, 8889, 11852, 14815, 17778, 29630, 35556, 38519, 44445, 59260, 77038, 88890, 115557, 154076, 177780, 192595, 231114, 385190, 462228, 577785, 770380, 1155570, 2311140]

約数ペア:

[(1, 2311140), (2, 1155570), (3, 770380), (4, 577785), (5, 462228), (6, 385190), (10, 231114), (12, 192595), (13, 177780), (15, 154076), (20, 115557), (26, 88890), (30, 77038), (39, 59260), (52, 44445), (60, 38519), (65, 35556), (78, 29630), (130, 17778), (156, 14815), (195, 11852), (260, 8889), (390, 5926), (780, 2963)]