320961888

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1453}}^1$

素因数の和:1541

約数の個数: 144

約数和(自身を含む): 1000293840

約数和(自身を除く): 679331952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 59, 72, 78, 96, 104, 117, 118, 144, 156, 177, 208, 234, 236, 288, 312, 354, 416, 468, 472, 531, 624, 708, 767, 936, 944, 1062, 1248, 1416, 1453, 1534, 1872, 1888, 2124, 2301, 2832, 2906, 3068, 3744, 4248, 4359, 4602, 5664, 5812, 6136, 6903, 8496, 8718, 9204, 11624, 12272, 13077, 13806, 16992, 17436, 18408, 18889, 23248, 24544, 26154, 27612, 34872, 36816, 37778, 46496, 52308, 55224, 56667, 69744, 73632, 75556, 85727, 104616, 110448, 113334, 139488, 151112, 170001, 171454, 209232, 220896, 226668, 257181, 302224, 340002, 342908, 418464, 453336, 514362, 604448, 680004, 685816, 771543, 906672, 1028724, 1114451, 1360008, 1371632, 1543086, 1813344, 2057448, 2228902, 2720016, 2743264, 3086172, 3343353, 4114896, 4457804, 5440032, 6172344, 6686706, 8229792, 8915608, 10030059, 12344688, 13373412, 17831216, 20060118, 24689376, 26746824, 35662432, 40120236, 53493648, 80240472, 106987296, 160480944, 320961888]

約数ペア:

[(1, 320961888), (2, 160480944), (3, 106987296), (4, 80240472), (6, 53493648), (8, 40120236), (9, 35662432), (12, 26746824), (13, 24689376), (16, 20060118), (18, 17831216), (24, 13373412), (26, 12344688), (32, 10030059), (36, 8915608), (39, 8229792), (48, 6686706), (52, 6172344), (59, 5440032), (72, 4457804), (78, 4114896), (96, 3343353), (104, 3086172), (117, 2743264), (118, 2720016), (144, 2228902), (156, 2057448), (177, 1813344), (208, 1543086), (234, 1371632), (236, 1360008), (288, 1114451), (312, 1028724), (354, 906672), (416, 771543), (468, 685816), (472, 680004), (531, 604448), (624, 514362), (708, 453336), (767, 418464), (936, 342908), (944, 340002), (1062, 302224), (1248, 257181), (1416, 226668), (1453, 220896), (1534, 209232), (1872, 171454), (1888, 170001), (2124, 151112), (2301, 139488), (2832, 113334), (2906, 110448), (3068, 104616), (3744, 85727), (4248, 75556), (4359, 73632), (4602, 69744), (5664, 56667), (5812, 55224), (6136, 52308), (6903, 46496), (8496, 37778), (8718, 36816), (9204, 34872), (11624, 27612), (12272, 26154), (13077, 24544), (13806, 23248), (16992, 18889), (17436, 18408)]