90871528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 126856472

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 23, 34, 38, 44, 46, 68, 76, 88, 92, 136, 139, 152, 184, 187, 209, 253, 278, 323, 374, 391, 418, 437, 506, 556, 646, 748, 782, 836, 874, 1012, 1112, 1292, 1496, 1529, 1564, 1672, 1748, 2024, 2363, 2584, 2641, 3058, 3128, 3197, 3496, 3553, 4301, 4726, 4807, 5282, 6116, 6394, 7106, 7429, 8602, 9452, 9614, 10564, 12232, 12788, 14212, 14858, 17204, 18904, 19228, 21128, 25576, 25993, 28424, 29051, 29716, 34408, 35167, 38456, 44897, 51986, 54349, 58102, 59432, 60743, 70334, 81719, 89794, 103972, 108698, 116204, 121486, 140668, 163438, 179588, 207944, 217396, 232408, 242972, 281336, 326876, 359176, 434792, 485944, 493867, 597839, 653752, 668173, 987734, 1032631, 1195678, 1336346, 1975468, 2065262, 2391356, 2672692, 3950936, 4130524, 4782712, 5345384, 8261048, 11358941, 22717882, 45435764, 90871528]

約数ペア:

[(1, 90871528), (2, 45435764), (4, 22717882), (8, 11358941), (11, 8261048), (17, 5345384), (19, 4782712), (22, 4130524), (23, 3950936), (34, 2672692), (38, 2391356), (44, 2065262), (46, 1975468), (68, 1336346), (76, 1195678), (88, 1032631), (92, 987734), (136, 668173), (139, 653752), (152, 597839), (184, 493867), (187, 485944), (209, 434792), (253, 359176), (278, 326876), (323, 281336), (374, 242972), (391, 232408), (418, 217396), (437, 207944), (506, 179588), (556, 163438), (646, 140668), (748, 121486), (782, 116204), (836, 108698), (874, 103972), (1012, 89794), (1112, 81719), (1292, 70334), (1496, 60743), (1529, 59432), (1564, 58102), (1672, 54349), (1748, 51986), (2024, 44897), (2363, 38456), (2584, 35167), (2641, 34408), (3058, 29716), (3128, 29051), (3197, 28424), (3496, 25993), (3553, 25576), (4301, 21128), (4726, 19228), (4807, 18904), (5282, 17204), (6116, 14858), (6394, 14212), (7106, 12788), (7429, 12232), (8602, 10564), (9452, 9614)]