161678640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{701}}^1$

素因数の和:779

約数の個数: 120

約数和(自身を含む): 518631984

約数和(自身を除く): 356953344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 701, 744, 930, 961, 1240, 1402, 1488, 1860, 1922, 2103, 2480, 2804, 2883, 3505, 3720, 3844, 4206, 4805, 5608, 5766, 7010, 7440, 7688, 8412, 9610, 10515, 11216, 11532, 14020, 14415, 15376, 16824, 19220, 21030, 21731, 23064, 28040, 28830, 33648, 38440, 42060, 43462, 46128, 56080, 57660, 65193, 76880, 84120, 86924, 108655, 115320, 130386, 168240, 173848, 217310, 230640, 260772, 325965, 347696, 434620, 521544, 651930, 673661, 869240, 1043088, 1303860, 1347322, 1738480, 2020983, 2607720, 2694644, 3368305, 4041966, 5215440, 5389288, 6736610, 8083932, 10104915, 10778576, 13473220, 16167864, 20209830, 26946440, 32335728, 40419660, 53892880, 80839320, 161678640]

約数ペア:

[(1, 161678640), (2, 80839320), (3, 53892880), (4, 40419660), (5, 32335728), (6, 26946440), (8, 20209830), (10, 16167864), (12, 13473220), (15, 10778576), (16, 10104915), (20, 8083932), (24, 6736610), (30, 5389288), (31, 5215440), (40, 4041966), (48, 3368305), (60, 2694644), (62, 2607720), (80, 2020983), (93, 1738480), (120, 1347322), (124, 1303860), (155, 1043088), (186, 869240), (240, 673661), (248, 651930), (310, 521544), (372, 434620), (465, 347696), (496, 325965), (620, 260772), (701, 230640), (744, 217310), (930, 173848), (961, 168240), (1240, 130386), (1402, 115320), (1488, 108655), (1860, 86924), (1922, 84120), (2103, 76880), (2480, 65193), (2804, 57660), (2883, 56080), (3505, 46128), (3720, 43462), (3844, 42060), (4206, 38440), (4805, 33648), (5608, 28830), (5766, 28040), (7010, 23064), (7440, 21731), (7688, 21030), (8412, 19220), (9610, 16824), (10515, 15376), (11216, 14415), (11532, 14020)]