123468080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2862

約数の個数: 80

約数和(自身を含む): 312703200

約数和(自身を除く): 189235120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 2204, 2320, 2755, 2801, 4408, 5510, 5602, 8816, 11020, 11204, 14005, 22040, 22408, 28010, 44080, 44816, 53219, 56020, 81229, 106438, 112040, 162458, 212876, 224080, 266095, 324916, 406145, 425752, 532190, 649832, 812290, 851504, 1064380, 1299664, 1543351, 1624580, 2128760, 3086702, 3249160, 4257520, 6173404, 6498320, 7716755, 12346808, 15433510, 24693616, 30867020, 61734040, 123468080]

約数ペア:

[(1, 123468080), (2, 61734040), (4, 30867020), (5, 24693616), (8, 15433510), (10, 12346808), (16, 7716755), (19, 6498320), (20, 6173404), (29, 4257520), (38, 3249160), (40, 3086702), (58, 2128760), (76, 1624580), (80, 1543351), (95, 1299664), (116, 1064380), (145, 851504), (152, 812290), (190, 649832), (232, 532190), (290, 425752), (304, 406145), (380, 324916), (464, 266095), (551, 224080), (580, 212876), (760, 162458), (1102, 112040), (1160, 106438), (1520, 81229), (2204, 56020), (2320, 53219), (2755, 44816), (2801, 44080), (4408, 28010), (5510, 22408), (5602, 22040), (8816, 14005), (11020, 11204)]