15212240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 37497600

約数和(自身を除く): 22285360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 79, 80, 83, 116, 145, 158, 166, 232, 290, 316, 332, 395, 415, 464, 580, 632, 664, 790, 830, 1160, 1264, 1328, 1580, 1660, 2291, 2320, 2407, 3160, 3320, 4582, 4814, 6320, 6557, 6640, 9164, 9628, 11455, 12035, 13114, 18328, 19256, 22910, 24070, 26228, 32785, 36656, 38512, 45820, 48140, 52456, 65570, 91640, 96280, 104912, 131140, 183280, 190153, 192560, 262280, 380306, 524560, 760612, 950765, 1521224, 1901530, 3042448, 3803060, 7606120, 15212240]

約数ペア:

[(1, 15212240), (2, 7606120), (4, 3803060), (5, 3042448), (8, 1901530), (10, 1521224), (16, 950765), (20, 760612), (29, 524560), (40, 380306), (58, 262280), (79, 192560), (80, 190153), (83, 183280), (116, 131140), (145, 104912), (158, 96280), (166, 91640), (232, 65570), (290, 52456), (316, 48140), (332, 45820), (395, 38512), (415, 36656), (464, 32785), (580, 26228), (632, 24070), (664, 22910), (790, 19256), (830, 18328), (1160, 13114), (1264, 12035), (1328, 11455), (1580, 9628), (1660, 9164), (2291, 6640), (2320, 6557), (2407, 6320), (3160, 4814), (3320, 4582)]