2080404720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{11243}}^1$

素因数の和:11519

約数の個数: 120

約数和(自身を含む): 7014501936

約数和(自身を除く): 4934097216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 257, 360, 514, 720, 771, 1028, 1285, 1542, 2056, 2313, 2570, 3084, 3855, 4112, 4626, 5140, 6168, 7710, 9252, 10280, 11243, 11565, 12336, 15420, 18504, 20560, 22486, 23130, 30840, 33729, 37008, 44972, 46260, 56215, 61680, 67458, 89944, 92520, 101187, 112430, 134916, 168645, 179888, 185040, 202374, 224860, 269832, 337290, 404748, 449720, 505935, 539664, 674580, 809496, 899440, 1011870, 1349160, 1618992, 2023740, 2698320, 2889451, 4047480, 5778902, 8094960, 8668353, 11557804, 14447255, 17336706, 23115608, 26005059, 28894510, 34673412, 43341765, 46231216, 52010118, 57789020, 69346824, 86683530, 104020236, 115578040, 130025295, 138693648, 173367060, 208040472, 231156080, 260050590, 346734120, 416080944, 520101180, 693468240, 1040202360, 2080404720]

約数ペア:

[(1, 2080404720), (2, 1040202360), (3, 693468240), (4, 520101180), (5, 416080944), (6, 346734120), (8, 260050590), (9, 231156080), (10, 208040472), (12, 173367060), (15, 138693648), (16, 130025295), (18, 115578040), (20, 104020236), (24, 86683530), (30, 69346824), (36, 57789020), (40, 52010118), (45, 46231216), (48, 43341765), (60, 34673412), (72, 28894510), (80, 26005059), (90, 23115608), (120, 17336706), (144, 14447255), (180, 11557804), (240, 8668353), (257, 8094960), (360, 5778902), (514, 4047480), (720, 2889451), (771, 2698320), (1028, 2023740), (1285, 1618992), (1542, 1349160), (2056, 1011870), (2313, 899440), (2570, 809496), (3084, 674580), (3855, 539664), (4112, 505935), (4626, 449720), (5140, 404748), (6168, 337290), (7710, 269832), (9252, 224860), (10280, 202374), (11243, 185040), (11565, 179888), (12336, 168645), (15420, 134916), (18504, 112430), (20560, 101187), (22486, 92520), (23130, 89944), (30840, 67458), (33729, 61680), (37008, 56215), (44972, 46260)]