521572140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{4397}}^1$

素因数の和:5071

約数の個数: 72

約数和(自身を含む): 1584863280

約数和(自身を除く): 1063291140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 659, 1318, 1977, 2636, 3295, 3954, 4397, 5931, 6590, 7908, 8794, 9885, 11862, 13180, 13191, 17588, 19770, 21985, 23724, 26382, 29655, 39540, 39573, 43970, 52764, 59310, 65955, 79146, 87940, 118620, 131910, 158292, 197865, 263820, 395730, 791460, 2897623, 5795246, 8692869, 11590492, 14488115, 17385738, 26078607, 28976230, 34771476, 43464345, 52157214, 57952460, 86928690, 104314428, 130393035, 173857380, 260786070, 521572140]

約数ペア:

[(1, 521572140), (2, 260786070), (3, 173857380), (4, 130393035), (5, 104314428), (6, 86928690), (9, 57952460), (10, 52157214), (12, 43464345), (15, 34771476), (18, 28976230), (20, 26078607), (30, 17385738), (36, 14488115), (45, 11590492), (60, 8692869), (90, 5795246), (180, 2897623), (659, 791460), (1318, 395730), (1977, 263820), (2636, 197865), (3295, 158292), (3954, 131910), (4397, 118620), (5931, 87940), (6590, 79146), (7908, 65955), (8794, 59310), (9885, 52764), (11862, 43970), (13180, 39573), (13191, 39540), (17588, 29655), (19770, 26382), (21985, 23724)]