266702920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19553}}^1$

素因数の和:19606

約数の個数: 64

約数和(自身を含む): 675786240

約数和(自身を除く): 409083320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 19553, 39106, 78212, 97765, 156424, 195530, 215083, 391060, 430166, 606143, 782120, 860332, 1075415, 1212286, 1720664, 2150830, 2424572, 3030715, 4301660, 4849144, 6061430, 6667573, 8603320, 12122860, 13335146, 24245720, 26670292, 33337865, 53340584, 66675730, 133351460, 266702920]

約数ペア:

[(1, 266702920), (2, 133351460), (4, 66675730), (5, 53340584), (8, 33337865), (10, 26670292), (11, 24245720), (20, 13335146), (22, 12122860), (31, 8603320), (40, 6667573), (44, 6061430), (55, 4849144), (62, 4301660), (88, 3030715), (110, 2424572), (124, 2150830), (155, 1720664), (220, 1212286), (248, 1075415), (310, 860332), (341, 782120), (440, 606143), (620, 430166), (682, 391060), (1240, 215083), (1364, 195530), (1705, 156424), (2728, 97765), (3410, 78212), (6820, 39106), (13640, 19553)]