641348496

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{78137}}^1$

素因数の和:78173

約数の個数: 80

約数和(自身を含む): 1937822400

約数和(自身を除く): 1296473904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 78137, 156274, 234411, 312548, 468822, 625096, 703233, 937644, 1250192, 1406466, 1484603, 1875288, 2109699, 2812932, 2969206, 3750576, 4219398, 4453809, 5625864, 5938412, 8438796, 8907618, 11251728, 11876824, 13361427, 16877592, 17815236, 23753648, 26722854, 33755184, 35630472, 40084281, 53445708, 71260944, 80168562, 106891416, 160337124, 213782832, 320674248, 641348496]

約数ペア:

[(1, 641348496), (2, 320674248), (3, 213782832), (4, 160337124), (6, 106891416), (8, 80168562), (9, 71260944), (12, 53445708), (16, 40084281), (18, 35630472), (19, 33755184), (24, 26722854), (27, 23753648), (36, 17815236), (38, 16877592), (48, 13361427), (54, 11876824), (57, 11251728), (72, 8907618), (76, 8438796), (108, 5938412), (114, 5625864), (144, 4453809), (152, 4219398), (171, 3750576), (216, 2969206), (228, 2812932), (304, 2109699), (342, 1875288), (432, 1484603), (456, 1406466), (513, 1250192), (684, 937644), (912, 703233), (1026, 625096), (1368, 468822), (2052, 312548), (2736, 234411), (4104, 156274), (8208, 78137)]