80774320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4831}}^1$

素因数の和:4874

約数の個数: 80

約数和(自身を含む): 215700480

約数和(自身を除く): 134926160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 4831, 8360, 9662, 16720, 19324, 24155, 38648, 48310, 53141, 77296, 91789, 96620, 106282, 183578, 193240, 212564, 265705, 367156, 386480, 425128, 458945, 531410, 734312, 850256, 917890, 1009679, 1062820, 1468624, 1835780, 2019358, 2125640, 3671560, 4038716, 4251280, 5048395, 7343120, 8077432, 10096790, 16154864, 20193580, 40387160, 80774320]

約数ペア:

[(1, 80774320), (2, 40387160), (4, 20193580), (5, 16154864), (8, 10096790), (10, 8077432), (11, 7343120), (16, 5048395), (19, 4251280), (20, 4038716), (22, 3671560), (38, 2125640), (40, 2019358), (44, 1835780), (55, 1468624), (76, 1062820), (80, 1009679), (88, 917890), (95, 850256), (110, 734312), (152, 531410), (176, 458945), (190, 425128), (209, 386480), (220, 367156), (304, 265705), (380, 212564), (418, 193240), (440, 183578), (760, 106282), (836, 96620), (880, 91789), (1045, 77296), (1520, 53141), (1672, 48310), (2090, 38648), (3344, 24155), (4180, 19324), (4831, 16720), (8360, 9662)]