13222880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{683}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 34387416

約数和(自身を除く): 21164536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 683, 880, 968, 1210, 1366, 1760, 1936, 2420, 2732, 3415, 3872, 4840, 5464, 6830, 7513, 9680, 10928, 13660, 15026, 19360, 21856, 27320, 30052, 37565, 54640, 60104, 75130, 82643, 109280, 120208, 150260, 165286, 240416, 300520, 330572, 413215, 601040, 661144, 826430, 1202080, 1322288, 1652860, 2644576, 3305720, 6611440, 13222880]

約数ペア:

[(1, 13222880), (2, 6611440), (4, 3305720), (5, 2644576), (8, 1652860), (10, 1322288), (11, 1202080), (16, 826430), (20, 661144), (22, 601040), (32, 413215), (40, 330572), (44, 300520), (55, 240416), (80, 165286), (88, 150260), (110, 120208), (121, 109280), (160, 82643), (176, 75130), (220, 60104), (242, 54640), (352, 37565), (440, 30052), (484, 27320), (605, 21856), (683, 19360), (880, 15026), (968, 13660), (1210, 10928), (1366, 9680), (1760, 7513), (1936, 6830), (2420, 5464), (2732, 4840), (3415, 3872)]