131922320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 325128000

約数和(自身を除く): 193205680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 229, 304, 379, 380, 458, 758, 760, 916, 1145, 1516, 1520, 1832, 1895, 2290, 3032, 3664, 3790, 4351, 4580, 6064, 7201, 7580, 8702, 9160, 14402, 15160, 17404, 18320, 21755, 28804, 30320, 34808, 36005, 43510, 57608, 69616, 72010, 86791, 87020, 115216, 144020, 173582, 174040, 288040, 347164, 348080, 433955, 576080, 694328, 867910, 1388656, 1649029, 1735820, 3298058, 3471640, 6596116, 6943280, 8245145, 13192232, 16490290, 26384464, 32980580, 65961160, 131922320]

約数ペア:

[(1, 131922320), (2, 65961160), (4, 32980580), (5, 26384464), (8, 16490290), (10, 13192232), (16, 8245145), (19, 6943280), (20, 6596116), (38, 3471640), (40, 3298058), (76, 1735820), (80, 1649029), (95, 1388656), (152, 867910), (190, 694328), (229, 576080), (304, 433955), (379, 348080), (380, 347164), (458, 288040), (758, 174040), (760, 173582), (916, 144020), (1145, 115216), (1516, 87020), (1520, 86791), (1832, 72010), (1895, 69616), (2290, 57608), (3032, 43510), (3664, 36005), (3790, 34808), (4351, 30320), (4580, 28804), (6064, 21755), (7201, 18320), (7580, 17404), (8702, 15160), (9160, 14402)]