316856960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:794

約数の個数: 128

約数和(自身を含む): 875111040

約数和(自身を除く): 558254080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 107, 112, 128, 140, 160, 214, 224, 280, 320, 428, 448, 535, 560, 640, 661, 749, 856, 896, 1070, 1120, 1322, 1498, 1712, 2140, 2240, 2644, 2996, 3305, 3424, 3745, 4280, 4480, 4627, 5288, 5992, 6610, 6848, 7490, 8560, 9254, 10576, 11984, 13220, 13696, 14980, 17120, 18508, 21152, 23135, 23968, 26440, 29960, 34240, 37016, 42304, 46270, 47936, 52880, 59920, 68480, 70727, 74032, 84608, 92540, 95872, 105760, 119840, 141454, 148064, 185080, 211520, 239680, 282908, 296128, 353635, 370160, 423040, 479360, 495089, 565816, 592256, 707270, 740320, 990178, 1131632, 1414540, 1480640, 1980356, 2263264, 2475445, 2829080, 2961280, 3960712, 4526528, 4950890, 5658160, 7921424, 9053056, 9901780, 11316320, 15842848, 19803560, 22632640, 31685696, 39607120, 45265280, 63371392, 79214240, 158428480, 316856960]

約数ペア:

[(1, 316856960), (2, 158428480), (4, 79214240), (5, 63371392), (7, 45265280), (8, 39607120), (10, 31685696), (14, 22632640), (16, 19803560), (20, 15842848), (28, 11316320), (32, 9901780), (35, 9053056), (40, 7921424), (56, 5658160), (64, 4950890), (70, 4526528), (80, 3960712), (107, 2961280), (112, 2829080), (128, 2475445), (140, 2263264), (160, 1980356), (214, 1480640), (224, 1414540), (280, 1131632), (320, 990178), (428, 740320), (448, 707270), (535, 592256), (560, 565816), (640, 495089), (661, 479360), (749, 423040), (856, 370160), (896, 353635), (1070, 296128), (1120, 282908), (1322, 239680), (1498, 211520), (1712, 185080), (2140, 148064), (2240, 141454), (2644, 119840), (2996, 105760), (3305, 95872), (3424, 92540), (3745, 84608), (4280, 74032), (4480, 70727), (4627, 68480), (5288, 59920), (5992, 52880), (6610, 47936), (6848, 46270), (7490, 42304), (8560, 37016), (9254, 34240), (10576, 29960), (11984, 26440), (13220, 23968), (13696, 23135), (14980, 21152), (17120, 18508)]