80468480

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:126

約数の個数: 120

約数和(自身を含む): 209146212

約数和(自身を除く): 128677732

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 215, 256, 272, 320, 340, 344, 430, 512, 544, 640, 680, 688, 731, 860, 1088, 1280, 1360, 1376, 1462, 1720, 1849, 2176, 2560, 2720, 2752, 2924, 3440, 3655, 3698, 4352, 5440, 5504, 5848, 6880, 7310, 7396, 8704, 9245, 10880, 11008, 11696, 13760, 14620, 14792, 18490, 21760, 22016, 23392, 27520, 29240, 29584, 31433, 36980, 43520, 46784, 55040, 58480, 59168, 62866, 73960, 93568, 110080, 116960, 118336, 125732, 147920, 157165, 187136, 233920, 236672, 251464, 295840, 314330, 374272, 467840, 473344, 502928, 591680, 628660, 935680, 946688, 1005856, 1183360, 1257320, 1871360, 2011712, 2366720, 2514640, 4023424, 4733440, 5029280, 8046848, 10058560, 16093696, 20117120, 40234240, 80468480]

約数ペア:

[(1, 80468480), (2, 40234240), (4, 20117120), (5, 16093696), (8, 10058560), (10, 8046848), (16, 5029280), (17, 4733440), (20, 4023424), (32, 2514640), (34, 2366720), (40, 2011712), (43, 1871360), (64, 1257320), (68, 1183360), (80, 1005856), (85, 946688), (86, 935680), (128, 628660), (136, 591680), (160, 502928), (170, 473344), (172, 467840), (215, 374272), (256, 314330), (272, 295840), (320, 251464), (340, 236672), (344, 233920), (430, 187136), (512, 157165), (544, 147920), (640, 125732), (680, 118336), (688, 116960), (731, 110080), (860, 93568), (1088, 73960), (1280, 62866), (1360, 59168), (1376, 58480), (1462, 55040), (1720, 46784), (1849, 43520), (2176, 36980), (2560, 31433), (2720, 29584), (2752, 29240), (2924, 27520), (3440, 23392), (3655, 22016), (3698, 21760), (4352, 18490), (5440, 14792), (5504, 14620), (5848, 13760), (6880, 11696), (7310, 11008), (7396, 10880), (8704, 9245)]