15661776

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 45899840

約数和(自身を除く): 30238064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1321, 1482, 1976, 2642, 2964, 3952, 3963, 5284, 5928, 7926, 10568, 11856, 15852, 17173, 21136, 25099, 31704, 34346, 50198, 51519, 63408, 68692, 75297, 100396, 103038, 137384, 150594, 200792, 206076, 274768, 301188, 326287, 401584, 412152, 602376, 652574, 824304, 978861, 1204752, 1305148, 1957722, 2610296, 3915444, 5220592, 7830888, 15661776]

約数ペア:

[(1, 15661776), (2, 7830888), (3, 5220592), (4, 3915444), (6, 2610296), (8, 1957722), (12, 1305148), (13, 1204752), (16, 978861), (19, 824304), (24, 652574), (26, 602376), (38, 412152), (39, 401584), (48, 326287), (52, 301188), (57, 274768), (76, 206076), (78, 200792), (104, 150594), (114, 137384), (152, 103038), (156, 100396), (208, 75297), (228, 68692), (247, 63408), (304, 51519), (312, 50198), (456, 34346), (494, 31704), (624, 25099), (741, 21136), (912, 17173), (988, 15852), (1321, 11856), (1482, 10568), (1976, 7926), (2642, 5928), (2964, 5284), (3952, 3963)]