642676368

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1447}}^1$

素因数の和:1964

約数の個数: 80

約数和(自身を含む): 1752427520

約数和(自身を除く): 1109751152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 487, 912, 974, 1447, 1461, 1948, 2894, 2922, 3896, 4341, 5788, 5844, 7792, 8682, 9253, 11576, 11688, 17364, 18506, 23152, 23376, 27493, 27759, 34728, 37012, 54986, 55518, 69456, 74024, 82479, 109972, 111036, 148048, 164958, 219944, 222072, 329916, 439888, 444144, 659832, 704689, 1319664, 1409378, 2114067, 2818756, 4228134, 5637512, 8456268, 11275024, 13389091, 16912536, 26778182, 33825072, 40167273, 53556364, 80334546, 107112728, 160669092, 214225456, 321338184, 642676368]

約数ペア:

[(1, 642676368), (2, 321338184), (3, 214225456), (4, 160669092), (6, 107112728), (8, 80334546), (12, 53556364), (16, 40167273), (19, 33825072), (24, 26778182), (38, 16912536), (48, 13389091), (57, 11275024), (76, 8456268), (114, 5637512), (152, 4228134), (228, 2818756), (304, 2114067), (456, 1409378), (487, 1319664), (912, 704689), (974, 659832), (1447, 444144), (1461, 439888), (1948, 329916), (2894, 222072), (2922, 219944), (3896, 164958), (4341, 148048), (5788, 111036), (5844, 109972), (7792, 82479), (8682, 74024), (9253, 69456), (11576, 55518), (11688, 54986), (17364, 37012), (18506, 34728), (23152, 27759), (23376, 27493)]