2980380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3846

約数の個数: 48

約数和(自身を含む): 8989344

約数和(自身を除く): 6008964

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, 3821, 7642, 11463, 15284, 19105, 22926, 38210, 45852, 49673, 57315, 76420, 99346, 114630, 149019, 198692, 229260, 248365, 298038, 496730, 596076, 745095, 993460, 1490190, 2980380]

約数ペア:

[(1, 2980380), (2, 1490190), (3, 993460), (4, 745095), (5, 596076), (6, 496730), (10, 298038), (12, 248365), (13, 229260), (15, 198692), (20, 149019), (26, 114630), (30, 99346), (39, 76420), (52, 57315), (60, 49673), (65, 45852), (78, 38210), (130, 22926), (156, 19105), (195, 15284), (260, 11463), (390, 7642), (780, 3821)]