71265920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 190356480

約数和(自身を除く): 119090560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 128, 160, 176, 191, 212, 220, 265, 320, 352, 382, 424, 440, 530, 583, 640, 704, 764, 848, 880, 955, 1060, 1166, 1408, 1528, 1696, 1760, 1910, 2101, 2120, 2332, 2915, 3056, 3392, 3520, 3820, 4202, 4240, 4664, 5830, 6112, 6784, 7040, 7640, 8404, 8480, 9328, 10123, 10505, 11660, 12224, 15280, 16808, 16960, 18656, 20246, 21010, 23320, 24448, 30560, 33616, 33920, 37312, 40492, 42020, 46640, 50615, 61120, 67232, 74624, 80984, 84040, 93280, 101230, 111353, 122240, 134464, 161968, 168080, 186560, 202460, 222706, 268928, 323936, 336160, 373120, 404920, 445412, 556765, 647872, 672320, 809840, 890824, 1113530, 1295744, 1344640, 1619680, 1781648, 2227060, 3239360, 3563296, 4454120, 6478720, 7126592, 8908240, 14253184, 17816480, 35632960, 71265920]

約数ペア:

[(1, 71265920), (2, 35632960), (4, 17816480), (5, 14253184), (8, 8908240), (10, 7126592), (11, 6478720), (16, 4454120), (20, 3563296), (22, 3239360), (32, 2227060), (40, 1781648), (44, 1619680), (53, 1344640), (55, 1295744), (64, 1113530), (80, 890824), (88, 809840), (106, 672320), (110, 647872), (128, 556765), (160, 445412), (176, 404920), (191, 373120), (212, 336160), (220, 323936), (265, 268928), (320, 222706), (352, 202460), (382, 186560), (424, 168080), (440, 161968), (530, 134464), (583, 122240), (640, 111353), (704, 101230), (764, 93280), (848, 84040), (880, 80984), (955, 74624), (1060, 67232), (1166, 61120), (1408, 50615), (1528, 46640), (1696, 42020), (1760, 40492), (1910, 37312), (2101, 33920), (2120, 33616), (2332, 30560), (2915, 24448), (3056, 23320), (3392, 21010), (3520, 20246), (3820, 18656), (4202, 16960), (4240, 16808), (4664, 15280), (5830, 12224), (6112, 11660), (6784, 10505), (7040, 10123), (7640, 9328), (8404, 8480)]