85772720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3361}}^1$

素因数の和:3414

約数の個数: 80

約数和(自身を含む): 225119520

約数和(自身を除く): 139346800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 3361, 5104, 6380, 6722, 12760, 13444, 16805, 25520, 26888, 33610, 36971, 53776, 67220, 73942, 97469, 134440, 147884, 184855, 194938, 268880, 295768, 369710, 389876, 487345, 591536, 739420, 779752, 974690, 1072159, 1478840, 1559504, 1949380, 2144318, 2957680, 3898760, 4288636, 5360795, 7797520, 8577272, 10721590, 17154544, 21443180, 42886360, 85772720]

約数ペア:

[(1, 85772720), (2, 42886360), (4, 21443180), (5, 17154544), (8, 10721590), (10, 8577272), (11, 7797520), (16, 5360795), (20, 4288636), (22, 3898760), (29, 2957680), (40, 2144318), (44, 1949380), (55, 1559504), (58, 1478840), (80, 1072159), (88, 974690), (110, 779752), (116, 739420), (145, 591536), (176, 487345), (220, 389876), (232, 369710), (290, 295768), (319, 268880), (440, 194938), (464, 184855), (580, 147884), (638, 134440), (880, 97469), (1160, 73942), (1276, 67220), (1595, 53776), (2320, 36971), (2552, 33610), (3190, 26888), (3361, 25520), (5104, 16805), (6380, 13444), (6722, 12760)]