17919120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 55978560

約数和(自身を除く): 38059440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 379, 394, 591, 758, 788, 985, 1137, 1182, 1516, 1576, 1895, 1970, 2274, 2364, 2955, 3032, 3152, 3790, 3940, 4548, 4728, 5685, 5910, 6064, 7580, 7880, 9096, 9456, 11370, 11820, 15160, 15760, 18192, 22740, 23640, 30320, 45480, 47280, 74663, 90960, 149326, 223989, 298652, 373315, 447978, 597304, 746630, 895956, 1119945, 1194608, 1493260, 1791912, 2239890, 2986520, 3583824, 4479780, 5973040, 8959560, 17919120]

約数ペア:

[(1, 17919120), (2, 8959560), (3, 5973040), (4, 4479780), (5, 3583824), (6, 2986520), (8, 2239890), (10, 1791912), (12, 1493260), (15, 1194608), (16, 1119945), (20, 895956), (24, 746630), (30, 597304), (40, 447978), (48, 373315), (60, 298652), (80, 223989), (120, 149326), (197, 90960), (240, 74663), (379, 47280), (394, 45480), (591, 30320), (758, 23640), (788, 22740), (985, 18192), (1137, 15760), (1182, 15160), (1516, 11820), (1576, 11370), (1895, 9456), (1970, 9096), (2274, 7880), (2364, 7580), (2955, 6064), (3032, 5910), (3152, 5685), (3790, 4728), (3940, 4548)]