399374160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8447}}^1$

素因数の和:8660

約数の個数: 80

約数和(自身を含む): 1244491776

約数和(自身を除く): 845117616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4728, 5910, 7880, 8447, 9456, 11820, 15760, 16894, 23640, 25341, 33788, 42235, 47280, 50682, 67576, 84470, 101364, 126705, 135152, 168940, 202728, 253410, 337880, 405456, 506820, 675760, 1013640, 1664059, 2027280, 3328118, 4992177, 6656236, 8320295, 9984354, 13312472, 16640590, 19968708, 24960885, 26624944, 33281180, 39937416, 49921770, 66562360, 79874832, 99843540, 133124720, 199687080, 399374160]

約数ペア:

[(1, 399374160), (2, 199687080), (3, 133124720), (4, 99843540), (5, 79874832), (6, 66562360), (8, 49921770), (10, 39937416), (12, 33281180), (15, 26624944), (16, 24960885), (20, 19968708), (24, 16640590), (30, 13312472), (40, 9984354), (48, 8320295), (60, 6656236), (80, 4992177), (120, 3328118), (197, 2027280), (240, 1664059), (394, 1013640), (591, 675760), (788, 506820), (985, 405456), (1182, 337880), (1576, 253410), (1970, 202728), (2364, 168940), (2955, 135152), (3152, 126705), (3940, 101364), (4728, 84470), (5910, 67576), (7880, 50682), (8447, 47280), (9456, 42235), (11820, 33788), (15760, 25341), (16894, 23640)]