218772080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{883}}^1$

素因数の和:1078

約数の個数: 80

約数和(自身を含む): 539310720

約数和(自身を除く): 320538640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 304, 326, 380, 652, 760, 815, 883, 1304, 1520, 1630, 1766, 2608, 3097, 3260, 3532, 4415, 6194, 6520, 7064, 8830, 12388, 13040, 14128, 15485, 16777, 17660, 24776, 30970, 33554, 35320, 49552, 61940, 67108, 70640, 83885, 123880, 134216, 143929, 167770, 247760, 268432, 287858, 335540, 575716, 671080, 719645, 1151432, 1342160, 1439290, 2302864, 2734651, 2878580, 5469302, 5757160, 10938604, 11514320, 13673255, 21877208, 27346510, 43754416, 54693020, 109386040, 218772080]

約数ペア:

[(1, 218772080), (2, 109386040), (4, 54693020), (5, 43754416), (8, 27346510), (10, 21877208), (16, 13673255), (19, 11514320), (20, 10938604), (38, 5757160), (40, 5469302), (76, 2878580), (80, 2734651), (95, 2302864), (152, 1439290), (163, 1342160), (190, 1151432), (304, 719645), (326, 671080), (380, 575716), (652, 335540), (760, 287858), (815, 268432), (883, 247760), (1304, 167770), (1520, 143929), (1630, 134216), (1766, 123880), (2608, 83885), (3097, 70640), (3260, 67108), (3532, 61940), (4415, 49552), (6194, 35320), (6520, 33554), (7064, 30970), (8830, 24776), (12388, 17660), (13040, 16777), (14128, 15485)]