64803080

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 149688000

約数和(自身を除く): 84884920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 131, 149, 166, 262, 298, 332, 415, 524, 596, 655, 664, 745, 830, 1048, 1192, 1310, 1490, 1660, 2620, 2980, 3320, 5240, 5960, 10873, 12367, 19519, 21746, 24734, 39038, 43492, 49468, 54365, 61835, 78076, 86984, 97595, 98936, 108730, 123670, 156152, 195190, 217460, 247340, 390380, 434920, 494680, 780760, 1620077, 3240154, 6480308, 8100385, 12960616, 16200770, 32401540, 64803080]

約数ペア:

[(1, 64803080), (2, 32401540), (4, 16200770), (5, 12960616), (8, 8100385), (10, 6480308), (20, 3240154), (40, 1620077), (83, 780760), (131, 494680), (149, 434920), (166, 390380), (262, 247340), (298, 217460), (332, 195190), (415, 156152), (524, 123670), (596, 108730), (655, 98936), (664, 97595), (745, 86984), (830, 78076), (1048, 61835), (1192, 54365), (1310, 49468), (1490, 43492), (1660, 39038), (2620, 24734), (2980, 21746), (3320, 19519), (5240, 12367), (5960, 10873)]