40984440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 142248960

約数和(自身を除く): 101264520

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, 503, 582, 679, 776, 840, 970, 1006, 1164, 1358, 1455, 1509, 1940, 2012, 2037, 2328, 2515, 2716, 2910, 3018, 3395, 3521, 3880, 4024, 4074, 5030, 5432, 5820, 6036, 6790, 7042, 7545, 8148, 10060, 10185, 10563, 11640, 12072, 13580, 14084, 15090, 16296, 17605, 20120, 20370, 21126, 27160, 28168, 30180, 35210, 40740, 42252, 48791, 52815, 60360, 70420, 81480, 84504, 97582, 105630, 140840, 146373, 195164, 211260, 243955, 292746, 341537, 390328, 422520, 487910, 585492, 683074, 731865, 975820, 1024611, 1170984, 1366148, 1463730, 1707685, 1951640, 2049222, 2732296, 2927460, 3415370, 4098444, 5123055, 5854920, 6830740, 8196888, 10246110, 13661480, 20492220, 40984440]

約数ペア:

[(1, 40984440), (2, 20492220), (3, 13661480), (4, 10246110), (5, 8196888), (6, 6830740), (7, 5854920), (8, 5123055), (10, 4098444), (12, 3415370), (14, 2927460), (15, 2732296), (20, 2049222), (21, 1951640), (24, 1707685), (28, 1463730), (30, 1366148), (35, 1170984), (40, 1024611), (42, 975820), (56, 731865), (60, 683074), (70, 585492), (84, 487910), (97, 422520), (105, 390328), (120, 341537), (140, 292746), (168, 243955), (194, 211260), (210, 195164), (280, 146373), (291, 140840), (388, 105630), (420, 97582), (485, 84504), (503, 81480), (582, 70420), (679, 60360), (776, 52815), (840, 48791), (970, 42252), (1006, 40740), (1164, 35210), (1358, 30180), (1455, 28168), (1509, 27160), (1940, 21126), (2012, 20370), (2037, 20120), (2328, 17605), (2515, 16296), (2716, 15090), (2910, 14084), (3018, 13580), (3395, 12072), (3521, 11640), (3880, 10563), (4024, 10185), (4074, 10060), (5030, 8148), (5432, 7545), (5820, 7042), (6036, 6790)]