1640772720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{759617}}^1$

素因数の和:759639

約数の個数: 80

約数和(自身を含む): 5651557920

約数和(自身を除く): 4010785200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 759617, 1519234, 2278851, 3038468, 3798085, 4557702, 6076936, 6836553, 7596170, 9115404, 11394255, 12153872, 13673106, 15192340, 18230808, 20509659, 22788510, 27346212, 30384680, 34182765, 36461616, 41019318, 45577020, 54692424, 60769360, 68365530, 82038636, 91154040, 102548295, 109384848, 136731060, 164077272, 182308080, 205096590, 273462120, 328154544, 410193180, 546924240, 820386360, 1640772720]

約数ペア:

[(1, 1640772720), (2, 820386360), (3, 546924240), (4, 410193180), (5, 328154544), (6, 273462120), (8, 205096590), (9, 182308080), (10, 164077272), (12, 136731060), (15, 109384848), (16, 102548295), (18, 91154040), (20, 82038636), (24, 68365530), (27, 60769360), (30, 54692424), (36, 45577020), (40, 41019318), (45, 36461616), (48, 34182765), (54, 30384680), (60, 27346212), (72, 22788510), (80, 20509659), (90, 18230808), (108, 15192340), (120, 13673106), (135, 12153872), (144, 11394255), (180, 9115404), (216, 7596170), (240, 6836553), (270, 6076936), (360, 4557702), (432, 3798085), (540, 3038468), (720, 2278851), (1080, 1519234), (2160, 759617)]