2662140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3413}}^1$

素因数の和:3438

約数の個数: 48

約数和(自身を含む): 8029728

約数和(自身を除く): 5367588

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, 3413, 6826, 10239, 13652, 17065, 20478, 34130, 40956, 44369, 51195, 68260, 88738, 102390, 133107, 177476, 204780, 221845, 266214, 443690, 532428, 665535, 887380, 1331070, 2662140]

約数ペア:

[(1, 2662140), (2, 1331070), (3, 887380), (4, 665535), (5, 532428), (6, 443690), (10, 266214), (12, 221845), (13, 204780), (15, 177476), (20, 133107), (26, 102390), (30, 88738), (39, 68260), (52, 51195), (60, 44369), (65, 40956), (78, 34130), (130, 20478), (156, 17065), (195, 13652), (260, 10239), (390, 6826), (780, 3413)]