5055180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6506

約数の個数: 48

約数和(自身を含む): 15245664

約数和(自身を除く): 10190484

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, 6481, 12962, 19443, 25924, 32405, 38886, 64810, 77772, 84253, 97215, 129620, 168506, 194430, 252759, 337012, 388860, 421265, 505518, 842530, 1011036, 1263795, 1685060, 2527590, 5055180]

約数ペア:

[(1, 5055180), (2, 2527590), (3, 1685060), (4, 1263795), (5, 1011036), (6, 842530), (10, 505518), (12, 421265), (13, 388860), (15, 337012), (20, 252759), (26, 194430), (30, 168506), (39, 129620), (52, 97215), (60, 84253), (65, 77772), (78, 64810), (130, 38886), (156, 32405), (195, 25924), (260, 19443), (390, 12962), (780, 6481)]