205045120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1300

約数の個数: 128

約数和(自身を含む): 575818560

約数和(自身を除く): 370773440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 259, 280, 296, 320, 370, 448, 518, 560, 592, 640, 740, 896, 1036, 1120, 1184, 1237, 1295, 1480, 2072, 2240, 2368, 2474, 2590, 2960, 4144, 4480, 4736, 4948, 5180, 5920, 6185, 8288, 8659, 9896, 10360, 11840, 12370, 16576, 17318, 19792, 20720, 23680, 24740, 33152, 34636, 39584, 41440, 43295, 45769, 49480, 69272, 79168, 82880, 86590, 91538, 98960, 138544, 158336, 165760, 173180, 183076, 197920, 228845, 277088, 320383, 346360, 366152, 395840, 457690, 554176, 640766, 692720, 732304, 791680, 915380, 1108352, 1281532, 1385440, 1464608, 1601915, 1830760, 2563064, 2770880, 2929216, 3203830, 3661520, 5126128, 5541760, 5858432, 6407660, 7323040, 10252256, 12815320, 14646080, 20504512, 25630640, 29292160, 41009024, 51261280, 102522560, 205045120]

約数ペア:

[(1, 205045120), (2, 102522560), (4, 51261280), (5, 41009024), (7, 29292160), (8, 25630640), (10, 20504512), (14, 14646080), (16, 12815320), (20, 10252256), (28, 7323040), (32, 6407660), (35, 5858432), (37, 5541760), (40, 5126128), (56, 3661520), (64, 3203830), (70, 2929216), (74, 2770880), (80, 2563064), (112, 1830760), (128, 1601915), (140, 1464608), (148, 1385440), (160, 1281532), (185, 1108352), (224, 915380), (259, 791680), (280, 732304), (296, 692720), (320, 640766), (370, 554176), (448, 457690), (518, 395840), (560, 366152), (592, 346360), (640, 320383), (740, 277088), (896, 228845), (1036, 197920), (1120, 183076), (1184, 173180), (1237, 165760), (1295, 158336), (1480, 138544), (2072, 98960), (2240, 91538), (2368, 86590), (2474, 82880), (2590, 79168), (2960, 69272), (4144, 49480), (4480, 45769), (4736, 43295), (4948, 41440), (5180, 39584), (5920, 34636), (6185, 33152), (8288, 24740), (8659, 23680), (9896, 20720), (10360, 19792), (11840, 17318), (12370, 16576)]