166639980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213641}}^1$

素因数の和:213666

約数の個数: 48

約数和(自身を含む): 502485984

約数和(自身を除く): 335846004

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, 213641, 427282, 640923, 854564, 1068205, 1281846, 2136410, 2563692, 2777333, 3204615, 4272820, 5554666, 6409230, 8331999, 11109332, 12818460, 13886665, 16663998, 27773330, 33327996, 41659995, 55546660, 83319990, 166639980]

約数ペア:

[(1, 166639980), (2, 83319990), (3, 55546660), (4, 41659995), (5, 33327996), (6, 27773330), (10, 16663998), (12, 13886665), (13, 12818460), (15, 11109332), (20, 8331999), (26, 6409230), (30, 5554666), (39, 4272820), (52, 3204615), (60, 2777333), (65, 2563692), (78, 2136410), (130, 1281846), (156, 1068205), (195, 854564), (260, 640923), (390, 427282), (780, 213641)]