278091240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3413}}^1$

素因数の和:3531

約数の個数: 128

約数和(自身を含む): 963567360

約数和(自身を除く): 685476120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2716, 2910, 3395, 3413, 3880, 4074, 5432, 5820, 6790, 6826, 8148, 10185, 10239, 11640, 13580, 13652, 16296, 17065, 20370, 20478, 23891, 27160, 27304, 34130, 40740, 40956, 47782, 51195, 68260, 71673, 81480, 81912, 95564, 102390, 119455, 136520, 143346, 191128, 204780, 238910, 286692, 331061, 358365, 409560, 477820, 573384, 662122, 716730, 955640, 993183, 1324244, 1433460, 1655305, 1986366, 2317427, 2648488, 2866920, 3310610, 3972732, 4634854, 4965915, 6621220, 6952281, 7945464, 9269708, 9931830, 11587135, 13242440, 13904562, 18539416, 19863660, 23174270, 27809124, 34761405, 39727320, 46348540, 55618248, 69522810, 92697080, 139045620, 278091240]

約数ペア:

[(1, 278091240), (2, 139045620), (3, 92697080), (4, 69522810), (5, 55618248), (6, 46348540), (7, 39727320), (8, 34761405), (10, 27809124), (12, 23174270), (14, 19863660), (15, 18539416), (20, 13904562), (21, 13242440), (24, 11587135), (28, 9931830), (30, 9269708), (35, 7945464), (40, 6952281), (42, 6621220), (56, 4965915), (60, 4634854), (70, 3972732), (84, 3310610), (97, 2866920), (105, 2648488), (120, 2317427), (140, 1986366), (168, 1655305), (194, 1433460), (210, 1324244), (280, 993183), (291, 955640), (388, 716730), (420, 662122), (485, 573384), (582, 477820), (679, 409560), (776, 358365), (840, 331061), (970, 286692), (1164, 238910), (1358, 204780), (1455, 191128), (1940, 143346), (2037, 136520), (2328, 119455), (2716, 102390), (2910, 95564), (3395, 81912), (3413, 81480), (3880, 71673), (4074, 68260), (5432, 51195), (5820, 47782), (6790, 40956), (6826, 40740), (8148, 34130), (10185, 27304), (10239, 27160), (11640, 23891), (13580, 20478), (13652, 20370), (16296, 17065)]