2561732180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{16927}}^1$

素因数の和:17013

約数の個数: 96

約数和(自身を含む): 6552354816

約数和(自身を除く): 3990622636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 70, 92, 94, 115, 140, 161, 188, 230, 235, 322, 329, 460, 470, 644, 658, 805, 940, 1081, 1316, 1610, 1645, 2162, 3220, 3290, 4324, 5405, 6580, 7567, 10810, 15134, 16927, 21620, 30268, 33854, 37835, 67708, 75670, 84635, 118489, 151340, 169270, 236978, 338540, 389321, 473956, 592445, 778642, 795569, 1184890, 1557284, 1591138, 1946605, 2369780, 2725247, 3182276, 3893210, 3977845, 5450494, 5568983, 7786420, 7955690, 10900988, 11137966, 13626235, 15911380, 18298087, 22275932, 27252470, 27844915, 36596174, 54504940, 55689830, 73192348, 91490435, 111379660, 128086609, 182980870, 256173218, 365961740, 512346436, 640433045, 1280866090, 2561732180]

約数ペア:

[(1, 2561732180), (2, 1280866090), (4, 640433045), (5, 512346436), (7, 365961740), (10, 256173218), (14, 182980870), (20, 128086609), (23, 111379660), (28, 91490435), (35, 73192348), (46, 55689830), (47, 54504940), (70, 36596174), (92, 27844915), (94, 27252470), (115, 22275932), (140, 18298087), (161, 15911380), (188, 13626235), (230, 11137966), (235, 10900988), (322, 7955690), (329, 7786420), (460, 5568983), (470, 5450494), (644, 3977845), (658, 3893210), (805, 3182276), (940, 2725247), (1081, 2369780), (1316, 1946605), (1610, 1591138), (1645, 1557284), (2162, 1184890), (3220, 795569), (3290, 778642), (4324, 592445), (5405, 473956), (6580, 389321), (7567, 338540), (10810, 236978), (15134, 169270), (16927, 151340), (21620, 118489), (30268, 84635), (33854, 75670), (37835, 67708)]