258894080

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{907}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 623599872

約数和(自身を除く): 364705792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 640, 892, 907, 1115, 1280, 1784, 1814, 2230, 3568, 3628, 4460, 4535, 7136, 7256, 8920, 9070, 14272, 14512, 17840, 18140, 28544, 29024, 35680, 36280, 57088, 58048, 71360, 72560, 116096, 142720, 145120, 202261, 232192, 285440, 290240, 404522, 580480, 809044, 1011305, 1160960, 1618088, 2022610, 3236176, 4045220, 6472352, 8090440, 12944704, 16180880, 25889408, 32361760, 51778816, 64723520, 129447040, 258894080]

約数ペア:

[(1, 258894080), (2, 129447040), (4, 64723520), (5, 51778816), (8, 32361760), (10, 25889408), (16, 16180880), (20, 12944704), (32, 8090440), (40, 6472352), (64, 4045220), (80, 3236176), (128, 2022610), (160, 1618088), (223, 1160960), (256, 1011305), (320, 809044), (446, 580480), (640, 404522), (892, 290240), (907, 285440), (1115, 232192), (1280, 202261), (1784, 145120), (1814, 142720), (2230, 116096), (3568, 72560), (3628, 71360), (4460, 58048), (4535, 57088), (7136, 36280), (7256, 35680), (8920, 29024), (9070, 28544), (14272, 18140), (14512, 17840)]