64764440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{463}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 157852800

約数和(自身を除く): 93088360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 463, 520, 538, 926, 1076, 1345, 1852, 2152, 2315, 2690, 3497, 3704, 4630, 5380, 6019, 6994, 9260, 10760, 12038, 13988, 17485, 18520, 24076, 27976, 30095, 34970, 48152, 60190, 69940, 120380, 124547, 139880, 240760, 249094, 498188, 622735, 996376, 1245470, 1619111, 2490940, 3238222, 4981880, 6476444, 8095555, 12952888, 16191110, 32382220, 64764440]

約数ペア:

[(1, 64764440), (2, 32382220), (4, 16191110), (5, 12952888), (8, 8095555), (10, 6476444), (13, 4981880), (20, 3238222), (26, 2490940), (40, 1619111), (52, 1245470), (65, 996376), (104, 622735), (130, 498188), (260, 249094), (269, 240760), (463, 139880), (520, 124547), (538, 120380), (926, 69940), (1076, 60190), (1345, 48152), (1852, 34970), (2152, 30095), (2315, 27976), (2690, 24076), (3497, 18520), (3704, 17485), (4630, 13988), (5380, 12038), (6019, 10760), (6994, 9260)]