8881320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 31046400

約数和(自身を除く): 22165080

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, 97, 105, 109, 120, 140, 168, 194, 210, 218, 280, 291, 327, 388, 420, 436, 485, 545, 582, 654, 679, 763, 776, 840, 872, 970, 1090, 1164, 1308, 1358, 1455, 1526, 1635, 1940, 2037, 2180, 2289, 2328, 2616, 2716, 2910, 3052, 3270, 3395, 3815, 3880, 4074, 4360, 4578, 5432, 5820, 6104, 6540, 6790, 7630, 8148, 9156, 10185, 10573, 11445, 11640, 13080, 13580, 15260, 16296, 18312, 20370, 21146, 22890, 27160, 30520, 31719, 40740, 42292, 45780, 52865, 63438, 74011, 81480, 84584, 91560, 105730, 126876, 148022, 158595, 211460, 222033, 253752, 296044, 317190, 370055, 422920, 444066, 592088, 634380, 740110, 888132, 1110165, 1268760, 1480220, 1776264, 2220330, 2960440, 4440660, 8881320]

約数ペア:

[(1, 8881320), (2, 4440660), (3, 2960440), (4, 2220330), (5, 1776264), (6, 1480220), (7, 1268760), (8, 1110165), (10, 888132), (12, 740110), (14, 634380), (15, 592088), (20, 444066), (21, 422920), (24, 370055), (28, 317190), (30, 296044), (35, 253752), (40, 222033), (42, 211460), (56, 158595), (60, 148022), (70, 126876), (84, 105730), (97, 91560), (105, 84584), (109, 81480), (120, 74011), (140, 63438), (168, 52865), (194, 45780), (210, 42292), (218, 40740), (280, 31719), (291, 30520), (327, 27160), (388, 22890), (420, 21146), (436, 20370), (485, 18312), (545, 16296), (582, 15260), (654, 13580), (679, 13080), (763, 11640), (776, 11445), (840, 10573), (872, 10185), (970, 9156), (1090, 8148), (1164, 7630), (1308, 6790), (1358, 6540), (1455, 6104), (1526, 5820), (1635, 5432), (1940, 4578), (2037, 4360), (2180, 4074), (2289, 3880), (2328, 3815), (2616, 3395), (2716, 3270), (2910, 3052)]