2784640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 7038000

約数和(自身を除く): 4253360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 229, 304, 320, 380, 458, 608, 640, 760, 916, 1145, 1216, 1520, 1832, 2290, 2432, 3040, 3664, 4351, 4580, 6080, 7328, 8702, 9160, 12160, 14656, 17404, 18320, 21755, 29312, 34808, 36640, 43510, 69616, 73280, 87020, 139232, 146560, 174040, 278464, 348080, 556928, 696160, 1392320, 2784640]

約数ペア:

[(1, 2784640), (2, 1392320), (4, 696160), (5, 556928), (8, 348080), (10, 278464), (16, 174040), (19, 146560), (20, 139232), (32, 87020), (38, 73280), (40, 69616), (64, 43510), (76, 36640), (80, 34808), (95, 29312), (128, 21755), (152, 18320), (160, 17404), (190, 14656), (229, 12160), (304, 9160), (320, 8702), (380, 7328), (458, 6080), (608, 4580), (640, 4351), (760, 3664), (916, 3040), (1145, 2432), (1216, 2290), (1520, 1832)]