31273320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20047}}^1$

素因数の和:20074

約数の個数: 64

約数和(自身を含む): 101041920

約数和(自身を除く): 69768600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20047, 40094, 60141, 80188, 100235, 120282, 160376, 200470, 240564, 260611, 300705, 400940, 481128, 521222, 601410, 781833, 801880, 1042444, 1202820, 1303055, 1563666, 2084888, 2405640, 2606110, 3127332, 3909165, 5212220, 6254664, 7818330, 10424440, 15636660, 31273320]

約数ペア:

[(1, 31273320), (2, 15636660), (3, 10424440), (4, 7818330), (5, 6254664), (6, 5212220), (8, 3909165), (10, 3127332), (12, 2606110), (13, 2405640), (15, 2084888), (20, 1563666), (24, 1303055), (26, 1202820), (30, 1042444), (39, 801880), (40, 781833), (52, 601410), (60, 521222), (65, 481128), (78, 400940), (104, 300705), (120, 260611), (130, 240564), (156, 200470), (195, 160376), (260, 120282), (312, 100235), (390, 80188), (520, 60141), (780, 40094), (1560, 20047)]