20151491276

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2063}}^1$

素因数の和:2204

約数の個数: 144

約数和(自身を含む): 44932124160

約数和(自身を除く): 24780632884

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 61, 76, 86, 98, 122, 133, 172, 196, 244, 266, 301, 427, 532, 602, 817, 854, 931, 1159, 1204, 1634, 1708, 1862, 2063, 2107, 2318, 2623, 2989, 3268, 3724, 4126, 4214, 4636, 5246, 5719, 5978, 8113, 8252, 8428, 10492, 11438, 11956, 14441, 16226, 18361, 22876, 28882, 32452, 36722, 39197, 40033, 49837, 56791, 57764, 73444, 78394, 80066, 88709, 99674, 101087, 113582, 125843, 128527, 156788, 160132, 177418, 199348, 202174, 227164, 251686, 257054, 274379, 348859, 354836, 404348, 503372, 514108, 548758, 620963, 697718, 880901, 1097516, 1241926, 1395436, 1685471, 1761802, 1920653, 2391017, 2442013, 2483852, 3370942, 3523604, 3841306, 4346741, 4782034, 4884026, 5411249, 6166307, 6741884, 7682612, 8693482, 9564068, 9768052, 10822498, 11798297, 12332614, 16737119, 17386964, 21644996, 23596594, 24665228, 33474238, 37878743, 47193188, 66948476, 75757486, 82588079, 102813731, 117159833, 151514972, 165176158, 205627462, 234319666, 265151201, 330352316, 411254924, 468639332, 530302402, 719696117, 1060604804, 1439392234, 2878784468, 5037872819, 10075745638, 20151491276]

約数ペア:

[(1, 20151491276), (2, 10075745638), (4, 5037872819), (7, 2878784468), (14, 1439392234), (19, 1060604804), (28, 719696117), (38, 530302402), (43, 468639332), (49, 411254924), (61, 330352316), (76, 265151201), (86, 234319666), (98, 205627462), (122, 165176158), (133, 151514972), (172, 117159833), (196, 102813731), (244, 82588079), (266, 75757486), (301, 66948476), (427, 47193188), (532, 37878743), (602, 33474238), (817, 24665228), (854, 23596594), (931, 21644996), (1159, 17386964), (1204, 16737119), (1634, 12332614), (1708, 11798297), (1862, 10822498), (2063, 9768052), (2107, 9564068), (2318, 8693482), (2623, 7682612), (2989, 6741884), (3268, 6166307), (3724, 5411249), (4126, 4884026), (4214, 4782034), (4636, 4346741), (5246, 3841306), (5719, 3523604), (5978, 3370942), (8113, 2483852), (8252, 2442013), (8428, 2391017), (10492, 1920653), (11438, 1761802), (11956, 1685471), (14441, 1395436), (16226, 1241926), (18361, 1097516), (22876, 880901), (28882, 697718), (32452, 620963), (36722, 548758), (39197, 514108), (40033, 503372), (49837, 404348), (56791, 354836), (57764, 348859), (73444, 274379), (78394, 257054), (80066, 251686), (88709, 227164), (99674, 202174), (101087, 199348), (113582, 177418), (125843, 160132), (128527, 156788)]