172997520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3659}}^1$

素因数の和:3872

約数の個数: 80

約数和(自身を含む): 539161920

約数和(自身を除く): 366164400

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, 3659, 3940, 4728, 5910, 7318, 7880, 9456, 10977, 11820, 14636, 15760, 18295, 21954, 23640, 29272, 36590, 43908, 47280, 54885, 58544, 73180, 87816, 109770, 146360, 175632, 219540, 292720, 439080, 720823, 878160, 1441646, 2162469, 2883292, 3604115, 4324938, 5766584, 7208230, 8649876, 10812345, 11533168, 14416460, 17299752, 21624690, 28832920, 34599504, 43249380, 57665840, 86498760, 172997520]

約数ペア:

[(1, 172997520), (2, 86498760), (3, 57665840), (4, 43249380), (5, 34599504), (6, 28832920), (8, 21624690), (10, 17299752), (12, 14416460), (15, 11533168), (16, 10812345), (20, 8649876), (24, 7208230), (30, 5766584), (40, 4324938), (48, 3604115), (60, 2883292), (80, 2162469), (120, 1441646), (197, 878160), (240, 720823), (394, 439080), (591, 292720), (788, 219540), (985, 175632), (1182, 146360), (1576, 109770), (1970, 87816), (2364, 73180), (2955, 58544), (3152, 54885), (3659, 47280), (3940, 43908), (4728, 36590), (5910, 29272), (7318, 23640), (7880, 21954), (9456, 18295), (10977, 15760), (11820, 14636)]