217081440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:901

約数の個数: 144

約数和(自身を含む): 745119648

約数和(自身を除く): 528038208

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, 72, 80, 90, 96, 120, 144, 160, 180, 233, 240, 288, 360, 466, 480, 647, 699, 720, 932, 1165, 1294, 1398, 1440, 1864, 1941, 2097, 2330, 2588, 2796, 3235, 3495, 3728, 3882, 4194, 4660, 5176, 5592, 5823, 6470, 6990, 7456, 7764, 8388, 9320, 9705, 10352, 10485, 11184, 11646, 12940, 13980, 15528, 16776, 18640, 19410, 20704, 20970, 22368, 23292, 25880, 27960, 29115, 31056, 33552, 37280, 38820, 41940, 46584, 51760, 55920, 58230, 62112, 67104, 77640, 83880, 93168, 103520, 111840, 116460, 150751, 155280, 167760, 186336, 232920, 301502, 310560, 335520, 452253, 465840, 603004, 753755, 904506, 931680, 1206008, 1356759, 1507510, 1809012, 2261265, 2412016, 2713518, 3015020, 3618024, 4522530, 4824032, 5427036, 6030040, 6783795, 7236048, 9045060, 10854072, 12060080, 13567590, 14472096, 18090120, 21708144, 24120160, 27135180, 36180240, 43416288, 54270360, 72360480, 108540720, 217081440]

約数ペア:

[(1, 217081440), (2, 108540720), (3, 72360480), (4, 54270360), (5, 43416288), (6, 36180240), (8, 27135180), (9, 24120160), (10, 21708144), (12, 18090120), (15, 14472096), (16, 13567590), (18, 12060080), (20, 10854072), (24, 9045060), (30, 7236048), (32, 6783795), (36, 6030040), (40, 5427036), (45, 4824032), (48, 4522530), (60, 3618024), (72, 3015020), (80, 2713518), (90, 2412016), (96, 2261265), (120, 1809012), (144, 1507510), (160, 1356759), (180, 1206008), (233, 931680), (240, 904506), (288, 753755), (360, 603004), (466, 465840), (480, 452253), (647, 335520), (699, 310560), (720, 301502), (932, 232920), (1165, 186336), (1294, 167760), (1398, 155280), (1440, 150751), (1864, 116460), (1941, 111840), (2097, 103520), (2330, 93168), (2588, 83880), (2796, 77640), (3235, 67104), (3495, 62112), (3728, 58230), (3882, 55920), (4194, 51760), (4660, 46584), (5176, 41940), (5592, 38820), (5823, 37280), (6470, 33552), (6990, 31056), (7456, 29115), (7764, 27960), (8388, 25880), (9320, 23292), (9705, 22368), (10352, 20970), (10485, 20704), (11184, 19410), (11646, 18640), (12940, 16776), (13980, 15528)]