639890426760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1\times {\mathrm{464537}}^1$

素因数の和:465447

約数の個数: 128

約数和(自身を含む): 2069684023680

約数和(自身を除く): 1429793596920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 883, 1560, 1766, 2649, 3532, 4415, 5298, 7064, 8830, 10596, 11479, 13245, 17660, 21192, 22958, 26490, 34437, 35320, 45916, 52980, 57395, 68874, 91832, 105960, 114790, 137748, 172185, 229580, 275496, 344370, 459160, 464537, 688740, 929074, 1377480, 1393611, 1858148, 2322685, 2787222, 3716296, 4645370, 5574444, 6038981, 6968055, 9290740, 11148888, 12077962, 13936110, 18116943, 18581480, 24155924, 27872220, 30194905, 36233886, 48311848, 55744440, 60389810, 72467772, 90584715, 120779620, 144935544, 181169430, 241559240, 362338860, 410186171, 724677720, 820372342, 1230558513, 1640744684, 2050930855, 2461117026, 3281489368, 4101861710, 4922234052, 5332420223, 6152792565, 8203723420, 9844468104, 10664840446, 12305585130, 15997260669, 16407446840, 21329680892, 24611170260, 26662101115, 31994521338, 42659361784, 49222340520, 53324202230, 63989042676, 79986303345, 106648404460, 127978085352, 159972606690, 213296808920, 319945213380, 639890426760]

約数ペア:

[(1, 639890426760), (2, 319945213380), (3, 213296808920), (4, 159972606690), (5, 127978085352), (6, 106648404460), (8, 79986303345), (10, 63989042676), (12, 53324202230), (13, 49222340520), (15, 42659361784), (20, 31994521338), (24, 26662101115), (26, 24611170260), (30, 21329680892), (39, 16407446840), (40, 15997260669), (52, 12305585130), (60, 10664840446), (65, 9844468104), (78, 8203723420), (104, 6152792565), (120, 5332420223), (130, 4922234052), (156, 4101861710), (195, 3281489368), (260, 2461117026), (312, 2050930855), (390, 1640744684), (520, 1230558513), (780, 820372342), (883, 724677720), (1560, 410186171), (1766, 362338860), (2649, 241559240), (3532, 181169430), (4415, 144935544), (5298, 120779620), (7064, 90584715), (8830, 72467772), (10596, 60389810), (11479, 55744440), (13245, 48311848), (17660, 36233886), (21192, 30194905), (22958, 27872220), (26490, 24155924), (34437, 18581480), (35320, 18116943), (45916, 13936110), (52980, 12077962), (57395, 11148888), (68874, 9290740), (91832, 6968055), (105960, 6038981), (114790, 5574444), (137748, 4645370), (172185, 3716296), (229580, 2787222), (275496, 2322685), (344370, 1858148), (459160, 1393611), (464537, 1377480), (688740, 929074)]