15691996925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 23764312320

約数和(自身を除く): 8072315395

約数列:

[1, 5, 11, 19, 25, 37, 47, 55, 95, 121, 157, 185, 209, 235, 275, 407, 475, 517, 605, 703, 785, 893, 925, 1045, 1175, 1727, 1739, 2035, 2299, 2585, 2983, 3025, 3515, 3925, 4465, 4477, 5225, 5687, 5809, 7379, 7733, 8635, 8695, 9823, 10175, 11495, 12925, 14915, 17575, 18997, 19129, 22325, 22385, 28435, 29045, 32813, 33041, 36895, 38665, 43175, 43475, 49115, 57475, 63899, 74575, 81169, 85063, 94985, 95645, 108053, 110371, 111925, 140201, 142175, 145225, 164065, 165205, 184475, 193325, 210419, 245575, 273023, 319495, 360943, 363451, 405845, 425315, 474925, 478225, 540265, 551855, 701005, 702889, 820325, 826025, 892859, 1052095, 1214081, 1365115, 1542211, 1597475, 1804715, 1817255, 2029225, 2126575, 2701325, 2759275, 3003253, 3505025, 3514445, 3997961, 4464295, 5187437, 5260475, 6070405, 6825575, 7711055, 9023575, 9086275, 13354891, 15016265, 16964321, 17572225, 19989805, 22321475, 25937185, 30352025, 33035783, 38555275, 57061807, 66774455, 75081325, 84821605, 99949025, 129685925, 165178915, 285309035, 333872275, 424108025, 627679877, 825894575, 1426545175, 3138399385, 15691996925]

約数ペア:

[(1, 15691996925), (5, 3138399385), (11, 1426545175), (19, 825894575), (25, 627679877), (37, 424108025), (47, 333872275), (55, 285309035), (95, 165178915), (121, 129685925), (157, 99949025), (185, 84821605), (209, 75081325), (235, 66774455), (275, 57061807), (407, 38555275), (475, 33035783), (517, 30352025), (605, 25937185), (703, 22321475), (785, 19989805), (893, 17572225), (925, 16964321), (1045, 15016265), (1175, 13354891), (1727, 9086275), (1739, 9023575), (2035, 7711055), (2299, 6825575), (2585, 6070405), (2983, 5260475), (3025, 5187437), (3515, 4464295), (3925, 3997961), (4465, 3514445), (4477, 3505025), (5225, 3003253), (5687, 2759275), (5809, 2701325), (7379, 2126575), (7733, 2029225), (8635, 1817255), (8695, 1804715), (9823, 1597475), (10175, 1542211), (11495, 1365115), (12925, 1214081), (14915, 1052095), (17575, 892859), (18997, 826025), (19129, 820325), (22325, 702889), (22385, 701005), (28435, 551855), (29045, 540265), (32813, 478225), (33041, 474925), (36895, 425315), (38665, 405845), (43175, 363451), (43475, 360943), (49115, 319495), (57475, 273023), (63899, 245575), (74575, 210419), (81169, 193325), (85063, 184475), (94985, 165205), (95645, 164065), (108053, 145225), (110371, 142175), (111925, 140201)]