4891380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6271}}^1$

素因数の和:6296

約数の個数: 48

約数和(自身を含む): 14751744

約数和(自身を除く): 9860364

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, 6271, 12542, 18813, 25084, 31355, 37626, 62710, 75252, 81523, 94065, 125420, 163046, 188130, 244569, 326092, 376260, 407615, 489138, 815230, 978276, 1222845, 1630460, 2445690, 4891380]

約数ペア:

[(1, 4891380), (2, 2445690), (3, 1630460), (4, 1222845), (5, 978276), (6, 815230), (10, 489138), (12, 407615), (13, 376260), (15, 326092), (20, 244569), (26, 188130), (30, 163046), (39, 125420), (52, 94065), (60, 81523), (65, 75252), (78, 62710), (130, 37626), (156, 31355), (195, 25084), (260, 18813), (390, 12542), (780, 6271)]