2121964880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{3943}}^1$

素因数の和:4025

約数の個数: 120

約数和(自身を含む): 5827591296

約数和(自身を除く): 3705626416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 961, 1085, 1240, 1736, 1922, 2170, 2480, 3472, 3844, 3943, 4340, 4805, 6727, 7688, 7886, 8680, 9610, 13454, 15376, 15772, 17360, 19220, 19715, 26908, 27601, 31544, 33635, 38440, 39430, 53816, 55202, 63088, 67270, 76880, 78860, 107632, 110404, 122233, 134540, 138005, 157720, 220808, 244466, 269080, 276010, 315440, 441616, 488932, 538160, 552020, 611165, 855631, 977864, 1104040, 1222330, 1711262, 1955728, 2208080, 2444660, 3422524, 3789223, 4278155, 4889320, 6845048, 7578446, 8556310, 9778640, 13690096, 15156892, 17112620, 18946115, 26524561, 30313784, 34225240, 37892230, 53049122, 60627568, 68450480, 75784460, 106098244, 132622805, 151568920, 212196488, 265245610, 303137840, 424392976, 530491220, 1060982440, 2121964880]

約数ペア:

[(1, 2121964880), (2, 1060982440), (4, 530491220), (5, 424392976), (7, 303137840), (8, 265245610), (10, 212196488), (14, 151568920), (16, 132622805), (20, 106098244), (28, 75784460), (31, 68450480), (35, 60627568), (40, 53049122), (56, 37892230), (62, 34225240), (70, 30313784), (80, 26524561), (112, 18946115), (124, 17112620), (140, 15156892), (155, 13690096), (217, 9778640), (248, 8556310), (280, 7578446), (310, 6845048), (434, 4889320), (496, 4278155), (560, 3789223), (620, 3422524), (868, 2444660), (961, 2208080), (1085, 1955728), (1240, 1711262), (1736, 1222330), (1922, 1104040), (2170, 977864), (2480, 855631), (3472, 611165), (3844, 552020), (3943, 538160), (4340, 488932), (4805, 441616), (6727, 315440), (7688, 276010), (7886, 269080), (8680, 244466), (9610, 220808), (13454, 157720), (15376, 138005), (15772, 134540), (17360, 122233), (19220, 110404), (19715, 107632), (26908, 78860), (27601, 76880), (31544, 67270), (33635, 63088), (38440, 55202), (39430, 53816)]