390243888

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^2\times {\mathrm{7507}}^1$

素因数の和:7559

約数の個数: 90

約数和(自身を含む): 1152800844

約数和(自身を除く): 762556956

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 361, 456, 684, 722, 912, 1083, 1368, 1444, 2166, 2736, 2888, 3249, 4332, 5776, 6498, 7507, 8664, 12996, 15014, 17328, 22521, 25992, 30028, 45042, 51984, 60056, 67563, 90084, 120112, 135126, 142633, 180168, 270252, 285266, 360336, 427899, 540504, 570532, 855798, 1081008, 1141064, 1283697, 1711596, 2282128, 2567394, 2710027, 3423192, 5134788, 5420054, 6846384, 8130081, 10269576, 10840108, 16260162, 20539152, 21680216, 24390243, 32520324, 43360432, 48780486, 65040648, 97560972, 130081296, 195121944, 390243888]

約数ペア:

[(1, 390243888), (2, 195121944), (3, 130081296), (4, 97560972), (6, 65040648), (8, 48780486), (9, 43360432), (12, 32520324), (16, 24390243), (18, 21680216), (19, 20539152), (24, 16260162), (36, 10840108), (38, 10269576), (48, 8130081), (57, 6846384), (72, 5420054), (76, 5134788), (114, 3423192), (144, 2710027), (152, 2567394), (171, 2282128), (228, 1711596), (304, 1283697), (342, 1141064), (361, 1081008), (456, 855798), (684, 570532), (722, 540504), (912, 427899), (1083, 360336), (1368, 285266), (1444, 270252), (2166, 180168), (2736, 142633), (2888, 135126), (3249, 120112), (4332, 90084), (5776, 67563), (6498, 60056), (7507, 51984), (8664, 45042), (12996, 30028), (15014, 25992), (17328, 22521)]