637579680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2053}}^1$

素因数の和:2718

約数の個数: 96

約数和(自身を含む): 2012459904

約数和(自身を除く): 1374880224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 647, 1294, 1941, 2053, 2588, 3235, 3882, 4106, 5176, 6159, 6470, 7764, 8212, 9705, 10265, 10352, 12318, 12940, 15528, 16424, 19410, 20530, 20704, 24636, 25880, 30795, 31056, 32848, 38820, 41060, 49272, 51760, 61590, 62112, 65696, 77640, 82120, 98544, 103520, 123180, 155280, 164240, 197088, 246360, 310560, 328480, 492720, 985440, 1328291, 2656582, 3984873, 5313164, 6641455, 7969746, 10626328, 13282910, 15939492, 19924365, 21252656, 26565820, 31878984, 39848730, 42505312, 53131640, 63757968, 79697460, 106263280, 127515936, 159394920, 212526560, 318789840, 637579680]

約数ペア:

[(1, 637579680), (2, 318789840), (3, 212526560), (4, 159394920), (5, 127515936), (6, 106263280), (8, 79697460), (10, 63757968), (12, 53131640), (15, 42505312), (16, 39848730), (20, 31878984), (24, 26565820), (30, 21252656), (32, 19924365), (40, 15939492), (48, 13282910), (60, 10626328), (80, 7969746), (96, 6641455), (120, 5313164), (160, 3984873), (240, 2656582), (480, 1328291), (647, 985440), (1294, 492720), (1941, 328480), (2053, 310560), (2588, 246360), (3235, 197088), (3882, 164240), (4106, 155280), (5176, 123180), (6159, 103520), (6470, 98544), (7764, 82120), (8212, 77640), (9705, 65696), (10265, 62112), (10352, 61590), (12318, 51760), (12940, 49272), (15528, 41060), (16424, 38820), (19410, 32848), (20530, 31056), (20704, 30795), (24636, 25880)]