80698380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{709}}^1$

素因数の和:999

約数の個数: 96

約数和(自身を含む): 259553280

約数和(自身を除く): 178854900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 271, 420, 542, 709, 813, 1084, 1355, 1418, 1626, 1897, 2127, 2710, 2836, 3252, 3545, 3794, 4065, 4254, 4963, 5420, 5691, 7090, 7588, 8130, 8508, 9485, 9926, 10635, 11382, 14180, 14889, 16260, 18970, 19852, 21270, 22764, 24815, 28455, 29778, 37940, 42540, 49630, 56910, 59556, 74445, 99260, 113820, 148890, 192139, 297780, 384278, 576417, 768556, 960695, 1152834, 1344973, 1921390, 2305668, 2689946, 2882085, 3842780, 4034919, 5379892, 5764170, 6724865, 8069838, 11528340, 13449730, 16139676, 20174595, 26899460, 40349190, 80698380]

約数ペア:

[(1, 80698380), (2, 40349190), (3, 26899460), (4, 20174595), (5, 16139676), (6, 13449730), (7, 11528340), (10, 8069838), (12, 6724865), (14, 5764170), (15, 5379892), (20, 4034919), (21, 3842780), (28, 2882085), (30, 2689946), (35, 2305668), (42, 1921390), (60, 1344973), (70, 1152834), (84, 960695), (105, 768556), (140, 576417), (210, 384278), (271, 297780), (420, 192139), (542, 148890), (709, 113820), (813, 99260), (1084, 74445), (1355, 59556), (1418, 56910), (1626, 49630), (1897, 42540), (2127, 37940), (2710, 29778), (2836, 28455), (3252, 24815), (3545, 22764), (3794, 21270), (4065, 19852), (4254, 18970), (4963, 16260), (5420, 14889), (5691, 14180), (7090, 11382), (7588, 10635), (8130, 9926), (8508, 9485)]