221234640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1783}}^1$

素因数の和:1857

約数の個数: 160

約数和(自身を含む): 764522496

約数和(自身を除く): 543287856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 110, 120, 132, 141, 165, 176, 188, 220, 235, 240, 264, 282, 330, 376, 440, 470, 517, 528, 564, 660, 705, 752, 880, 940, 1034, 1128, 1320, 1410, 1551, 1783, 1880, 2068, 2256, 2585, 2640, 2820, 3102, 3566, 3760, 4136, 5170, 5349, 5640, 6204, 7132, 7755, 8272, 8915, 10340, 10698, 11280, 12408, 14264, 15510, 17830, 19613, 20680, 21396, 24816, 26745, 28528, 31020, 35660, 39226, 41360, 42792, 53490, 58839, 62040, 71320, 78452, 83801, 85584, 98065, 106980, 117678, 124080, 142640, 156904, 167602, 196130, 213960, 235356, 251403, 294195, 313808, 335204, 392260, 419005, 427920, 470712, 502806, 588390, 670408, 784520, 838010, 921811, 941424, 1005612, 1176780, 1257015, 1340816, 1569040, 1676020, 1843622, 2011224, 2353560, 2514030, 2765433, 3352040, 3687244, 4022448, 4609055, 4707120, 5028060, 5530866, 6704080, 7374488, 9218110, 10056120, 11061732, 13827165, 14748976, 18436220, 20112240, 22123464, 27654330, 36872440, 44246928, 55308660, 73744880, 110617320, 221234640]

約数ペア:

[(1, 221234640), (2, 110617320), (3, 73744880), (4, 55308660), (5, 44246928), (6, 36872440), (8, 27654330), (10, 22123464), (11, 20112240), (12, 18436220), (15, 14748976), (16, 13827165), (20, 11061732), (22, 10056120), (24, 9218110), (30, 7374488), (33, 6704080), (40, 5530866), (44, 5028060), (47, 4707120), (48, 4609055), (55, 4022448), (60, 3687244), (66, 3352040), (80, 2765433), (88, 2514030), (94, 2353560), (110, 2011224), (120, 1843622), (132, 1676020), (141, 1569040), (165, 1340816), (176, 1257015), (188, 1176780), (220, 1005612), (235, 941424), (240, 921811), (264, 838010), (282, 784520), (330, 670408), (376, 588390), (440, 502806), (470, 470712), (517, 427920), (528, 419005), (564, 392260), (660, 335204), (705, 313808), (752, 294195), (880, 251403), (940, 235356), (1034, 213960), (1128, 196130), (1320, 167602), (1410, 156904), (1551, 142640), (1783, 124080), (1880, 117678), (2068, 106980), (2256, 98065), (2585, 85584), (2640, 83801), (2820, 78452), (3102, 71320), (3566, 62040), (3760, 58839), (4136, 53490), (5170, 42792), (5349, 41360), (5640, 39226), (6204, 35660), (7132, 31020), (7755, 28528), (8272, 26745), (8915, 24816), (10340, 21396), (10698, 20680), (11280, 19613), (12408, 17830), (14264, 15510)]