891120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 2856960

約数和(自身を除く): 1965840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 79, 80, 94, 120, 141, 158, 188, 235, 237, 240, 282, 316, 376, 395, 470, 474, 564, 632, 705, 752, 790, 940, 948, 1128, 1185, 1264, 1410, 1580, 1880, 1896, 2256, 2370, 2820, 3160, 3713, 3760, 3792, 4740, 5640, 6320, 7426, 9480, 11139, 11280, 14852, 18565, 18960, 22278, 29704, 37130, 44556, 55695, 59408, 74260, 89112, 111390, 148520, 178224, 222780, 297040, 445560, 891120]

約数ペア:

[(1, 891120), (2, 445560), (3, 297040), (4, 222780), (5, 178224), (6, 148520), (8, 111390), (10, 89112), (12, 74260), (15, 59408), (16, 55695), (20, 44556), (24, 37130), (30, 29704), (40, 22278), (47, 18960), (48, 18565), (60, 14852), (79, 11280), (80, 11139), (94, 9480), (120, 7426), (141, 6320), (158, 5640), (188, 4740), (235, 3792), (237, 3760), (240, 3713), (282, 3160), (316, 2820), (376, 2370), (395, 2256), (470, 1896), (474, 1880), (564, 1580), (632, 1410), (705, 1264), (752, 1185), (790, 1128), (940, 948)]