21756727680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{6089}}^1$

素因数の和:7972

約数の個数: 128

約数和(自身を含む): 69398229600

約数和(自身を除く): 47641501920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1861, 1920, 3722, 5583, 6089, 7444, 9305, 11166, 12178, 14888, 18267, 18610, 22332, 24356, 27915, 29776, 30445, 36534, 37220, 44664, 48712, 55830, 59552, 60890, 73068, 74440, 89328, 91335, 97424, 111660, 119104, 121780, 146136, 148880, 178656, 182670, 194848, 223320, 238208, 243560, 292272, 297760, 357312, 365340, 389696, 446640, 487120, 584544, 595520, 714624, 730680, 779392, 893280, 974240, 1169088, 1191040, 1461360, 1786560, 1948480, 2338176, 2922720, 3573120, 3896960, 5845440, 11331629, 11690880, 22663258, 33994887, 45326516, 56658145, 67989774, 90653032, 113316290, 135979548, 169974435, 181306064, 226632580, 271959096, 339948870, 362612128, 453265160, 543918192, 679897740, 725224256, 906530320, 1087836384, 1359795480, 1450448512, 1813060640, 2175672768, 2719590960, 3626121280, 4351345536, 5439181920, 7252242560, 10878363840, 21756727680]

約数ペア:

[(1, 21756727680), (2, 10878363840), (3, 7252242560), (4, 5439181920), (5, 4351345536), (6, 3626121280), (8, 2719590960), (10, 2175672768), (12, 1813060640), (15, 1450448512), (16, 1359795480), (20, 1087836384), (24, 906530320), (30, 725224256), (32, 679897740), (40, 543918192), (48, 453265160), (60, 362612128), (64, 339948870), (80, 271959096), (96, 226632580), (120, 181306064), (128, 169974435), (160, 135979548), (192, 113316290), (240, 90653032), (320, 67989774), (384, 56658145), (480, 45326516), (640, 33994887), (960, 22663258), (1861, 11690880), (1920, 11331629), (3722, 5845440), (5583, 3896960), (6089, 3573120), (7444, 2922720), (9305, 2338176), (11166, 1948480), (12178, 1786560), (14888, 1461360), (18267, 1191040), (18610, 1169088), (22332, 974240), (24356, 893280), (27915, 779392), (29776, 730680), (30445, 714624), (36534, 595520), (37220, 584544), (44664, 487120), (48712, 446640), (55830, 389696), (59552, 365340), (60890, 357312), (73068, 297760), (74440, 292272), (89328, 243560), (91335, 238208), (97424, 223320), (111660, 194848), (119104, 182670), (121780, 178656), (146136, 148880)]