217097520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{904573}}^1$

素因数の和:904589

約数の個数: 40

約数和(自身を含む): 673003056

約数和(自身を除く): 455905536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 904573, 1809146, 2713719, 3618292, 4522865, 5427438, 7236584, 9045730, 10854876, 13568595, 14473168, 18091460, 21709752, 27137190, 36182920, 43419504, 54274380, 72365840, 108548760, 217097520]

約数ペア:

[(1, 217097520), (2, 108548760), (3, 72365840), (4, 54274380), (5, 43419504), (6, 36182920), (8, 27137190), (10, 21709752), (12, 18091460), (15, 14473168), (16, 13568595), (20, 10854876), (24, 9045730), (30, 7236584), (40, 5427438), (48, 4522865), (60, 3618292), (80, 2713719), (120, 1809146), (240, 904573)]