205684480

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 522887904

約数和(自身を除く): 317203424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 101, 128, 148, 160, 172, 185, 202, 215, 256, 296, 320, 344, 370, 404, 430, 505, 592, 640, 688, 740, 808, 860, 1010, 1184, 1280, 1376, 1480, 1591, 1616, 1720, 2020, 2368, 2752, 2960, 3182, 3232, 3440, 3737, 4040, 4343, 4736, 5504, 5920, 6364, 6464, 6880, 7474, 7955, 8080, 8686, 9472, 11008, 11840, 12728, 12928, 13760, 14948, 15910, 16160, 17372, 18685, 21715, 23680, 25456, 25856, 27520, 29896, 31820, 32320, 34744, 37370, 43430, 47360, 50912, 55040, 59792, 63640, 64640, 69488, 74740, 86860, 101824, 119584, 127280, 129280, 138976, 149480, 160691, 173720, 203648, 239168, 254560, 277952, 298960, 321382, 347440, 407296, 478336, 509120, 555904, 597920, 642764, 694880, 803455, 956672, 1018240, 1111808, 1195840, 1285528, 1389760, 1606910, 2036480, 2391680, 2571056, 2779520, 3213820, 4783360, 5142112, 5559040, 6427640, 10284224, 12855280, 20568448, 25710560, 41136896, 51421120, 102842240, 205684480]

約数ペア:

[(1, 205684480), (2, 102842240), (4, 51421120), (5, 41136896), (8, 25710560), (10, 20568448), (16, 12855280), (20, 10284224), (32, 6427640), (37, 5559040), (40, 5142112), (43, 4783360), (64, 3213820), (74, 2779520), (80, 2571056), (86, 2391680), (101, 2036480), (128, 1606910), (148, 1389760), (160, 1285528), (172, 1195840), (185, 1111808), (202, 1018240), (215, 956672), (256, 803455), (296, 694880), (320, 642764), (344, 597920), (370, 555904), (404, 509120), (430, 478336), (505, 407296), (592, 347440), (640, 321382), (688, 298960), (740, 277952), (808, 254560), (860, 239168), (1010, 203648), (1184, 173720), (1280, 160691), (1376, 149480), (1480, 138976), (1591, 129280), (1616, 127280), (1720, 119584), (2020, 101824), (2368, 86860), (2752, 74740), (2960, 69488), (3182, 64640), (3232, 63640), (3440, 59792), (3737, 55040), (4040, 50912), (4343, 47360), (4736, 43430), (5504, 37370), (5920, 34744), (6364, 32320), (6464, 31820), (6880, 29896), (7474, 27520), (7955, 25856), (8080, 25456), (8686, 23680), (9472, 21715), (11008, 18685), (11840, 17372), (12728, 16160), (12928, 15910), (13760, 14948)]