21551621760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{5783}}^1$

素因数の和:6455

約数の個数: 192

約数和(自身を含む): 74548356480

約数和(自身を除く): 52996734720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 647, 720, 960, 1152, 1294, 1440, 1920, 1941, 2588, 2880, 3235, 3882, 5176, 5760, 5783, 5823, 6470, 7764, 9705, 10352, 11566, 11646, 12940, 15528, 17349, 19410, 20704, 23132, 23292, 25880, 28915, 29115, 31056, 34698, 38820, 41408, 46264, 46584, 51760, 52047, 57830, 58230, 62112, 69396, 77640, 82816, 86745, 92528, 93168, 103520, 104094, 115660, 116460, 124224, 138792, 155280, 173490, 185056, 186336, 207040, 208188, 231320, 232920, 248448, 260235, 277584, 310560, 346980, 370112, 372672, 414080, 416376, 462640, 465840, 520470, 555168, 621120, 693960, 740224, 745344, 832752, 925280, 931680, 1040940, 1110336, 1242240, 1387920, 1665504, 1850560, 1863360, 2081880, 2220672, 2775840, 3331008, 3701120, 3726720, 3741601, 4163760, 5551680, 6662016, 7483202, 8327520, 11103360, 11224803, 14966404, 16655040, 18708005, 22449606, 29932808, 33310080, 33674409, 37416010, 44899212, 56124015, 59865616, 67348818, 74832020, 89798424, 112248030, 119731232, 134697636, 149664040, 168372045, 179596848, 224496060, 239462464, 269395272, 299328080, 336744090, 359193696, 448992120, 478924928, 538790544, 598656160, 673488180, 718387392, 897984240, 1077581088, 1197312320, 1346976360, 1436774784, 1795968480, 2155162176, 2394624640, 2693952720, 3591936960, 4310324352, 5387905440, 7183873920, 10775810880, 21551621760]

約数ペア:

[(1, 21551621760), (2, 10775810880), (3, 7183873920), (4, 5387905440), (5, 4310324352), (6, 3591936960), (8, 2693952720), (9, 2394624640), (10, 2155162176), (12, 1795968480), (15, 1436774784), (16, 1346976360), (18, 1197312320), (20, 1077581088), (24, 897984240), (30, 718387392), (32, 673488180), (36, 598656160), (40, 538790544), (45, 478924928), (48, 448992120), (60, 359193696), (64, 336744090), (72, 299328080), (80, 269395272), (90, 239462464), (96, 224496060), (120, 179596848), (128, 168372045), (144, 149664040), (160, 134697636), (180, 119731232), (192, 112248030), (240, 89798424), (288, 74832020), (320, 67348818), (360, 59865616), (384, 56124015), (480, 44899212), (576, 37416010), (640, 33674409), (647, 33310080), (720, 29932808), (960, 22449606), (1152, 18708005), (1294, 16655040), (1440, 14966404), (1920, 11224803), (1941, 11103360), (2588, 8327520), (2880, 7483202), (3235, 6662016), (3882, 5551680), (5176, 4163760), (5760, 3741601), (5783, 3726720), (5823, 3701120), (6470, 3331008), (7764, 2775840), (9705, 2220672), (10352, 2081880), (11566, 1863360), (11646, 1850560), (12940, 1665504), (15528, 1387920), (17349, 1242240), (19410, 1110336), (20704, 1040940), (23132, 931680), (23292, 925280), (25880, 832752), (28915, 745344), (29115, 740224), (31056, 693960), (34698, 621120), (38820, 555168), (41408, 520470), (46264, 465840), (46584, 462640), (51760, 416376), (52047, 414080), (57830, 372672), (58230, 370112), (62112, 346980), (69396, 310560), (77640, 277584), (82816, 260235), (86745, 248448), (92528, 232920), (93168, 231320), (103520, 208188), (104094, 207040), (115660, 186336), (116460, 185056), (124224, 173490), (138792, 155280)]