15691640195

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 25357598208

約数和(自身を除く): 9665958013

約数列:

[1, 5, 7, 11, 35, 43, 47, 49, 55, 67, 77, 215, 235, 245, 301, 329, 335, 385, 469, 473, 517, 539, 737, 1505, 1645, 1849, 2021, 2107, 2303, 2345, 2365, 2585, 2695, 2881, 3149, 3283, 3311, 3619, 3685, 5159, 9245, 10105, 10535, 11515, 12943, 14147, 14405, 15745, 16415, 16555, 18095, 20167, 20339, 22043, 22231, 23177, 25333, 25795, 31691, 34639, 36113, 64715, 70735, 86903, 90601, 99029, 100835, 101695, 110215, 111155, 115885, 123883, 126665, 135407, 141169, 142373, 154301, 155617, 158455, 173195, 180565, 221837, 242473, 434515, 453005, 495145, 608321, 619415, 677035, 705845, 711865, 771505, 778085, 867181, 947849, 955933, 996611, 1089319, 1109185, 1212365, 1362713, 1489477, 1552859, 1697311, 3041605, 4258247, 4335905, 4739245, 4779665, 4983055, 5446595, 5822501, 6070267, 6634943, 6691531, 6813565, 7447385, 7764295, 8486555, 9538991, 10426339, 21291235, 29112505, 30351335, 33174715, 33457655, 40757507, 46840717, 47694955, 52131695, 64047511, 66772937, 72984373, 203787535, 234203585, 285302549, 320237555, 333864685, 364921865, 448332577, 1426512745, 2241662885, 3138328039, 15691640195]

約数ペア:

[(1, 15691640195), (5, 3138328039), (7, 2241662885), (11, 1426512745), (35, 448332577), (43, 364921865), (47, 333864685), (49, 320237555), (55, 285302549), (67, 234203585), (77, 203787535), (215, 72984373), (235, 66772937), (245, 64047511), (301, 52131695), (329, 47694955), (335, 46840717), (385, 40757507), (469, 33457655), (473, 33174715), (517, 30351335), (539, 29112505), (737, 21291235), (1505, 10426339), (1645, 9538991), (1849, 8486555), (2021, 7764295), (2107, 7447385), (2303, 6813565), (2345, 6691531), (2365, 6634943), (2585, 6070267), (2695, 5822501), (2881, 5446595), (3149, 4983055), (3283, 4779665), (3311, 4739245), (3619, 4335905), (3685, 4258247), (5159, 3041605), (9245, 1697311), (10105, 1552859), (10535, 1489477), (11515, 1362713), (12943, 1212365), (14147, 1109185), (14405, 1089319), (15745, 996611), (16415, 955933), (16555, 947849), (18095, 867181), (20167, 778085), (20339, 771505), (22043, 711865), (22231, 705845), (23177, 677035), (25333, 619415), (25795, 608321), (31691, 495145), (34639, 453005), (36113, 434515), (64715, 242473), (70735, 221837), (86903, 180565), (90601, 173195), (99029, 158455), (100835, 155617), (101695, 154301), (110215, 142373), (111155, 141169), (115885, 135407), (123883, 126665)]