67681320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 128

約数和(自身を含む): 233798400

約数和(自身を除く): 166117080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 409, 420, 591, 788, 818, 840, 985, 1182, 1227, 1379, 1576, 1636, 1970, 2045, 2364, 2454, 2758, 2863, 2955, 3272, 3940, 4090, 4137, 4728, 4908, 5516, 5726, 5910, 6135, 6895, 7880, 8180, 8274, 8589, 9816, 11032, 11452, 11820, 12270, 13790, 14315, 16360, 16548, 17178, 20685, 22904, 23640, 24540, 27580, 28630, 33096, 34356, 41370, 42945, 49080, 55160, 57260, 68712, 80573, 82740, 85890, 114520, 161146, 165480, 171780, 241719, 322292, 343560, 402865, 483438, 564011, 644584, 805730, 966876, 1128022, 1208595, 1611460, 1692033, 1933752, 2256044, 2417190, 2820055, 3222920, 3384066, 4512088, 4834380, 5640110, 6768132, 8460165, 9668760, 11280220, 13536264, 16920330, 22560440, 33840660, 67681320]

約数ペア:

[(1, 67681320), (2, 33840660), (3, 22560440), (4, 16920330), (5, 13536264), (6, 11280220), (7, 9668760), (8, 8460165), (10, 6768132), (12, 5640110), (14, 4834380), (15, 4512088), (20, 3384066), (21, 3222920), (24, 2820055), (28, 2417190), (30, 2256044), (35, 1933752), (40, 1692033), (42, 1611460), (56, 1208595), (60, 1128022), (70, 966876), (84, 805730), (105, 644584), (120, 564011), (140, 483438), (168, 402865), (197, 343560), (210, 322292), (280, 241719), (394, 171780), (409, 165480), (420, 161146), (591, 114520), (788, 85890), (818, 82740), (840, 80573), (985, 68712), (1182, 57260), (1227, 55160), (1379, 49080), (1576, 42945), (1636, 41370), (1970, 34356), (2045, 33096), (2364, 28630), (2454, 27580), (2758, 24540), (2863, 23640), (2955, 22904), (3272, 20685), (3940, 17178), (4090, 16548), (4137, 16360), (4728, 14315), (4908, 13790), (5516, 12270), (5726, 11820), (5910, 11452), (6135, 11032), (6895, 9816), (7880, 8589), (8180, 8274)]