8689980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{857}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 26378352

約数和(自身を除く): 17688372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 857, 1014, 1690, 1714, 2028, 2535, 2571, 3380, 3428, 4285, 5070, 5142, 8570, 10140, 10284, 11141, 12855, 17140, 22282, 25710, 33423, 44564, 51420, 55705, 66846, 111410, 133692, 144833, 167115, 222820, 289666, 334230, 434499, 579332, 668460, 724165, 868998, 1448330, 1737996, 2172495, 2896660, 4344990, 8689980]

約数ペア:

[(1, 8689980), (2, 4344990), (3, 2896660), (4, 2172495), (5, 1737996), (6, 1448330), (10, 868998), (12, 724165), (13, 668460), (15, 579332), (20, 434499), (26, 334230), (30, 289666), (39, 222820), (52, 167115), (60, 144833), (65, 133692), (78, 111410), (130, 66846), (156, 55705), (169, 51420), (195, 44564), (260, 33423), (338, 25710), (390, 22282), (507, 17140), (676, 12855), (780, 11141), (845, 10284), (857, 10140), (1014, 8570), (1690, 5142), (1714, 5070), (2028, 4285), (2535, 3428), (2571, 3380)]