1282055320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8191}}^1$

素因数の和:8265

約数の個数: 128

約数和(自身を含む): 3633315840

約数和(自身を除く): 2351260520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 455, 520, 559, 602, 728, 860, 910, 1118, 1204, 1505, 1720, 1820, 2236, 2408, 2795, 3010, 3640, 3913, 4472, 5590, 6020, 7826, 8191, 11180, 12040, 15652, 16382, 19565, 22360, 31304, 32764, 39130, 40955, 57337, 65528, 78260, 81910, 106483, 114674, 156520, 163820, 212966, 229348, 286685, 327640, 352213, 425932, 458696, 532415, 573370, 704426, 745381, 851864, 1064830, 1146740, 1408852, 1490762, 1761065, 2129660, 2293480, 2465491, 2817704, 2981524, 3522130, 3726905, 4259320, 4578769, 4930982, 5963048, 7044260, 7453810, 9157538, 9861964, 12327455, 14088520, 14907620, 18315076, 19723928, 22893845, 24654910, 29815240, 32051383, 36630152, 45787690, 49309820, 64102766, 91575380, 98619640, 128205532, 160256915, 183150760, 256411064, 320513830, 641027660, 1282055320]

約数ペア:

[(1, 1282055320), (2, 641027660), (4, 320513830), (5, 256411064), (7, 183150760), (8, 160256915), (10, 128205532), (13, 98619640), (14, 91575380), (20, 64102766), (26, 49309820), (28, 45787690), (35, 36630152), (40, 32051383), (43, 29815240), (52, 24654910), (56, 22893845), (65, 19723928), (70, 18315076), (86, 14907620), (91, 14088520), (104, 12327455), (130, 9861964), (140, 9157538), (172, 7453810), (182, 7044260), (215, 5963048), (260, 4930982), (280, 4578769), (301, 4259320), (344, 3726905), (364, 3522130), (430, 2981524), (455, 2817704), (520, 2465491), (559, 2293480), (602, 2129660), (728, 1761065), (860, 1490762), (910, 1408852), (1118, 1146740), (1204, 1064830), (1505, 851864), (1720, 745381), (1820, 704426), (2236, 573370), (2408, 532415), (2795, 458696), (3010, 425932), (3640, 352213), (3913, 327640), (4472, 286685), (5590, 229348), (6020, 212966), (7826, 163820), (8191, 156520), (11180, 114674), (12040, 106483), (15652, 81910), (16382, 78260), (19565, 65528), (22360, 57337), (31304, 40955), (32764, 39130)]