221721120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1439}}^1$

素因数の和:1567

約数の個数: 144

約数和(自身を含む): 764225280

約数和(自身を除く): 542504160

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, 107, 120, 144, 160, 180, 214, 240, 288, 321, 360, 428, 480, 535, 642, 720, 856, 963, 1070, 1284, 1439, 1440, 1605, 1712, 1926, 2140, 2568, 2878, 3210, 3424, 3852, 4280, 4317, 4815, 5136, 5756, 6420, 7195, 7704, 8560, 8634, 9630, 10272, 11512, 12840, 12951, 14390, 15408, 17120, 17268, 19260, 21585, 23024, 25680, 25902, 28780, 30816, 34536, 38520, 43170, 46048, 51360, 51804, 57560, 64755, 69072, 77040, 86340, 103608, 115120, 129510, 138144, 153973, 154080, 172680, 207216, 230240, 259020, 307946, 345360, 414432, 461919, 518040, 615892, 690720, 769865, 923838, 1036080, 1231784, 1385757, 1539730, 1847676, 2072160, 2309595, 2463568, 2771514, 3079460, 3695352, 4619190, 4927136, 5543028, 6158920, 6928785, 7390704, 9238380, 11086056, 12317840, 13857570, 14781408, 18476760, 22172112, 24635680, 27715140, 36953520, 44344224, 55430280, 73907040, 110860560, 221721120]

約数ペア:

[(1, 221721120), (2, 110860560), (3, 73907040), (4, 55430280), (5, 44344224), (6, 36953520), (8, 27715140), (9, 24635680), (10, 22172112), (12, 18476760), (15, 14781408), (16, 13857570), (18, 12317840), (20, 11086056), (24, 9238380), (30, 7390704), (32, 6928785), (36, 6158920), (40, 5543028), (45, 4927136), (48, 4619190), (60, 3695352), (72, 3079460), (80, 2771514), (90, 2463568), (96, 2309595), (107, 2072160), (120, 1847676), (144, 1539730), (160, 1385757), (180, 1231784), (214, 1036080), (240, 923838), (288, 769865), (321, 690720), (360, 615892), (428, 518040), (480, 461919), (535, 414432), (642, 345360), (720, 307946), (856, 259020), (963, 230240), (1070, 207216), (1284, 172680), (1439, 154080), (1440, 153973), (1605, 138144), (1712, 129510), (1926, 115120), (2140, 103608), (2568, 86340), (2878, 77040), (3210, 69072), (3424, 64755), (3852, 57560), (4280, 51804), (4317, 51360), (4815, 46048), (5136, 43170), (5756, 38520), (6420, 34536), (7195, 30816), (7704, 28780), (8560, 25902), (8634, 25680), (9630, 23024), (10272, 21585), (11512, 19260), (12840, 17268), (12951, 17120), (14390, 15408)]