12561900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3251

約数の個数: 72

約数和(自身を含む): 39153744

約数和(自身を除く): 26591844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3221, 3900, 6442, 9663, 12884, 16105, 19326, 32210, 38652, 41873, 48315, 64420, 80525, 83746, 96630, 125619, 161050, 167492, 193260, 209365, 241575, 251238, 322100, 418730, 483150, 502476, 628095, 837460, 966300, 1046825, 1256190, 2093650, 2512380, 3140475, 4187300, 6280950, 12561900]

約数ペア:

[(1, 12561900), (2, 6280950), (3, 4187300), (4, 3140475), (5, 2512380), (6, 2093650), (10, 1256190), (12, 1046825), (13, 966300), (15, 837460), (20, 628095), (25, 502476), (26, 483150), (30, 418730), (39, 322100), (50, 251238), (52, 241575), (60, 209365), (65, 193260), (75, 167492), (78, 161050), (100, 125619), (130, 96630), (150, 83746), (156, 80525), (195, 64420), (260, 48315), (300, 41873), (325, 38652), (390, 32210), (650, 19326), (780, 16105), (975, 12884), (1300, 9663), (1950, 6442), (3221, 3900)]