31910040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 104626080

約数和(自身を除く): 72716040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 137, 180, 274, 360, 411, 548, 647, 685, 822, 1096, 1233, 1294, 1370, 1644, 1941, 2055, 2466, 2588, 2740, 3235, 3288, 3882, 4110, 4932, 5176, 5480, 5823, 6165, 6470, 7764, 8220, 9705, 9864, 11646, 12330, 12940, 15528, 16440, 19410, 23292, 24660, 25880, 29115, 38820, 46584, 49320, 58230, 77640, 88639, 116460, 177278, 232920, 265917, 354556, 443195, 531834, 709112, 797751, 886390, 1063668, 1329585, 1595502, 1772780, 2127336, 2659170, 3191004, 3545560, 3988755, 5318340, 6382008, 7977510, 10636680, 15955020, 31910040]

約数ペア:

[(1, 31910040), (2, 15955020), (3, 10636680), (4, 7977510), (5, 6382008), (6, 5318340), (8, 3988755), (9, 3545560), (10, 3191004), (12, 2659170), (15, 2127336), (18, 1772780), (20, 1595502), (24, 1329585), (30, 1063668), (36, 886390), (40, 797751), (45, 709112), (60, 531834), (72, 443195), (90, 354556), (120, 265917), (137, 232920), (180, 177278), (274, 116460), (360, 88639), (411, 77640), (548, 58230), (647, 49320), (685, 46584), (822, 38820), (1096, 29115), (1233, 25880), (1294, 24660), (1370, 23292), (1644, 19410), (1941, 16440), (2055, 15528), (2466, 12940), (2588, 12330), (2740, 11646), (3235, 9864), (3288, 9705), (3882, 8220), (4110, 7764), (4932, 6470), (5176, 6165), (5480, 5823)]