12761580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16361}}^1$

素因数の和:16386

約数の個数: 48

約数和(自身を含む): 38483424

約数和(自身を除く): 25721844

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, 16361, 32722, 49083, 65444, 81805, 98166, 163610, 196332, 212693, 245415, 327220, 425386, 490830, 638079, 850772, 981660, 1063465, 1276158, 2126930, 2552316, 3190395, 4253860, 6380790, 12761580]

約数ペア:

[(1, 12761580), (2, 6380790), (3, 4253860), (4, 3190395), (5, 2552316), (6, 2126930), (10, 1276158), (12, 1063465), (13, 981660), (15, 850772), (20, 638079), (26, 490830), (30, 425386), (39, 327220), (52, 245415), (60, 212693), (65, 196332), (78, 163610), (130, 98166), (156, 81805), (195, 65444), (260, 49083), (390, 32722), (780, 16361)]