81644550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 220298400

約数和(自身を除く): 138653850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 149, 150, 195, 281, 298, 325, 390, 447, 562, 650, 745, 843, 894, 975, 1405, 1490, 1686, 1937, 1950, 2235, 2810, 3653, 3725, 3874, 4215, 4470, 5811, 7025, 7306, 7450, 8430, 9685, 10959, 11175, 11622, 14050, 18265, 19370, 21075, 21918, 22350, 29055, 36530, 41869, 42150, 48425, 54795, 58110, 83738, 91325, 96850, 109590, 125607, 145275, 182650, 209345, 251214, 273975, 290550, 418690, 544297, 547950, 628035, 1046725, 1088594, 1256070, 1632891, 2093450, 2721485, 3140175, 3265782, 5442970, 6280350, 8164455, 13607425, 16328910, 27214850, 40822275, 81644550]

約数ペア:

[(1, 81644550), (2, 40822275), (3, 27214850), (5, 16328910), (6, 13607425), (10, 8164455), (13, 6280350), (15, 5442970), (25, 3265782), (26, 3140175), (30, 2721485), (39, 2093450), (50, 1632891), (65, 1256070), (75, 1088594), (78, 1046725), (130, 628035), (149, 547950), (150, 544297), (195, 418690), (281, 290550), (298, 273975), (325, 251214), (390, 209345), (447, 182650), (562, 145275), (650, 125607), (745, 109590), (843, 96850), (894, 91325), (975, 83738), (1405, 58110), (1490, 54795), (1686, 48425), (1937, 42150), (1950, 41869), (2235, 36530), (2810, 29055), (3653, 22350), (3725, 21918), (3874, 21075), (4215, 19370), (4470, 18265), (5811, 14050), (7025, 11622), (7306, 11175), (7450, 10959), (8430, 9685)]