90864536

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 221184000

約数和(自身を除く): 130319464

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 47, 56, 76, 79, 92, 94, 133, 152, 158, 161, 184, 188, 266, 316, 322, 329, 376, 437, 532, 553, 632, 644, 658, 874, 893, 1064, 1081, 1106, 1288, 1316, 1501, 1748, 1786, 1817, 2162, 2212, 2632, 3002, 3059, 3496, 3572, 3634, 3713, 4324, 4424, 6004, 6118, 6251, 7144, 7268, 7426, 7567, 8648, 10507, 12008, 12236, 12502, 12719, 14536, 14852, 15134, 20539, 21014, 24472, 25004, 25438, 25991, 29704, 30268, 34523, 41078, 42028, 50008, 50876, 51982, 60536, 69046, 70547, 82156, 84056, 85399, 101752, 103964, 138092, 141094, 143773, 164312, 170798, 207928, 241661, 276184, 282188, 287546, 341596, 483322, 493829, 564376, 575092, 597793, 683192, 966644, 987658, 1150184, 1195586, 1622581, 1933288, 1975316, 2391172, 3245162, 3950632, 4782344, 6490324, 11358067, 12980648, 22716134, 45432268, 90864536]

約数ペア:

[(1, 90864536), (2, 45432268), (4, 22716134), (7, 12980648), (8, 11358067), (14, 6490324), (19, 4782344), (23, 3950632), (28, 3245162), (38, 2391172), (46, 1975316), (47, 1933288), (56, 1622581), (76, 1195586), (79, 1150184), (92, 987658), (94, 966644), (133, 683192), (152, 597793), (158, 575092), (161, 564376), (184, 493829), (188, 483322), (266, 341596), (316, 287546), (322, 282188), (329, 276184), (376, 241661), (437, 207928), (532, 170798), (553, 164312), (632, 143773), (644, 141094), (658, 138092), (874, 103964), (893, 101752), (1064, 85399), (1081, 84056), (1106, 82156), (1288, 70547), (1316, 69046), (1501, 60536), (1748, 51982), (1786, 50876), (1817, 50008), (2162, 42028), (2212, 41078), (2632, 34523), (3002, 30268), (3059, 29704), (3496, 25991), (3572, 25438), (3634, 25004), (3713, 24472), (4324, 21014), (4424, 20539), (6004, 15134), (6118, 14852), (6251, 14536), (7144, 12719), (7268, 12502), (7426, 12236), (7567, 12008), (8648, 10507)]