87568640

素因数分解:

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

素因数の和:144

約数の個数: 108

約数和(自身を含む): 220549644

約数和(自身を除く): 132981004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 128, 148, 160, 172, 185, 215, 256, 296, 320, 344, 370, 430, 592, 640, 688, 740, 860, 1184, 1280, 1376, 1480, 1591, 1720, 1849, 2368, 2752, 2960, 3182, 3440, 3698, 4736, 5504, 5920, 6364, 6880, 7396, 7955, 9245, 9472, 11008, 11840, 12728, 13760, 14792, 15910, 18490, 23680, 25456, 27520, 29584, 31820, 36980, 47360, 50912, 55040, 59168, 63640, 68413, 73960, 101824, 118336, 127280, 136826, 147920, 203648, 236672, 254560, 273652, 295840, 342065, 407296, 473344, 509120, 547304, 591680, 684130, 1018240, 1094608, 1183360, 1368260, 2036480, 2189216, 2366720, 2736520, 4378432, 5473040, 8756864, 10946080, 17513728, 21892160, 43784320, 87568640]

約数ペア:

[(1, 87568640), (2, 43784320), (4, 21892160), (5, 17513728), (8, 10946080), (10, 8756864), (16, 5473040), (20, 4378432), (32, 2736520), (37, 2366720), (40, 2189216), (43, 2036480), (64, 1368260), (74, 1183360), (80, 1094608), (86, 1018240), (128, 684130), (148, 591680), (160, 547304), (172, 509120), (185, 473344), (215, 407296), (256, 342065), (296, 295840), (320, 273652), (344, 254560), (370, 236672), (430, 203648), (592, 147920), (640, 136826), (688, 127280), (740, 118336), (860, 101824), (1184, 73960), (1280, 68413), (1376, 63640), (1480, 59168), (1591, 55040), (1720, 50912), (1849, 47360), (2368, 36980), (2752, 31820), (2960, 29584), (3182, 27520), (3440, 25456), (3698, 23680), (4736, 18490), (5504, 15910), (5920, 14792), (6364, 13760), (6880, 12728), (7396, 11840), (7955, 11008), (9245, 9472)]