19900320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3769}}^1$

素因数の和:3798

約数の個数: 96

約数和(自身を含む): 68402880

約数和(自身を除く): 48502560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 3769, 5280, 7538, 11307, 15076, 18845, 22614, 30152, 37690, 41459, 45228, 56535, 60304, 75380, 82918, 90456, 113070, 120608, 124377, 150760, 165836, 180912, 207295, 226140, 248754, 301520, 331672, 361824, 414590, 452280, 497508, 603040, 621885, 663344, 829180, 904560, 995016, 1243770, 1326688, 1658360, 1809120, 1990032, 2487540, 3316720, 3980064, 4975080, 6633440, 9950160, 19900320]

約数ペア:

[(1, 19900320), (2, 9950160), (3, 6633440), (4, 4975080), (5, 3980064), (6, 3316720), (8, 2487540), (10, 1990032), (11, 1809120), (12, 1658360), (15, 1326688), (16, 1243770), (20, 995016), (22, 904560), (24, 829180), (30, 663344), (32, 621885), (33, 603040), (40, 497508), (44, 452280), (48, 414590), (55, 361824), (60, 331672), (66, 301520), (80, 248754), (88, 226140), (96, 207295), (110, 180912), (120, 165836), (132, 150760), (160, 124377), (165, 120608), (176, 113070), (220, 90456), (240, 82918), (264, 75380), (330, 60304), (352, 56535), (440, 45228), (480, 41459), (528, 37690), (660, 30152), (880, 22614), (1056, 18845), (1320, 15076), (1760, 11307), (2640, 7538), (3769, 5280)]