81377450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 96

約数和(自身を含む): 197130240

約数和(自身を除く): 115752790

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 25, 35, 46, 50, 55, 70, 77, 110, 115, 154, 161, 175, 230, 253, 275, 322, 350, 385, 506, 550, 575, 770, 805, 919, 1150, 1265, 1610, 1771, 1838, 1925, 2530, 3542, 3850, 4025, 4595, 6325, 6433, 8050, 8855, 9190, 10109, 12650, 12866, 17710, 20218, 21137, 22975, 32165, 42274, 44275, 45950, 50545, 64330, 70763, 88550, 101090, 105685, 141526, 147959, 160825, 211370, 232507, 252725, 295918, 321650, 353815, 465014, 505450, 528425, 707630, 739795, 1056850, 1162535, 1479590, 1627549, 1769075, 2325070, 3255098, 3538150, 3698975, 5812675, 7397950, 8137745, 11625350, 16275490, 40688725, 81377450]

約数ペア:

[(1, 81377450), (2, 40688725), (5, 16275490), (7, 11625350), (10, 8137745), (11, 7397950), (14, 5812675), (22, 3698975), (23, 3538150), (25, 3255098), (35, 2325070), (46, 1769075), (50, 1627549), (55, 1479590), (70, 1162535), (77, 1056850), (110, 739795), (115, 707630), (154, 528425), (161, 505450), (175, 465014), (230, 353815), (253, 321650), (275, 295918), (322, 252725), (350, 232507), (385, 211370), (506, 160825), (550, 147959), (575, 141526), (770, 105685), (805, 101090), (919, 88550), (1150, 70763), (1265, 64330), (1610, 50545), (1771, 45950), (1838, 44275), (1925, 42274), (2530, 32165), (3542, 22975), (3850, 21137), (4025, 20218), (4595, 17710), (6325, 12866), (6433, 12650), (8050, 10109), (8855, 9190)]