221137920

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{4799}}^1$

素因数の和:4830

約数の個数: 132

約数和(自身を含む): 766396800

約数和(自身を除く): 545258880

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, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 4799, 5120, 5760, 7680, 9216, 9598, 11520, 14397, 15360, 19196, 23040, 23995, 28794, 38392, 43191, 46080, 47990, 57588, 71985, 76784, 86382, 95980, 115176, 143970, 153568, 172764, 191960, 215955, 230352, 287940, 307136, 345528, 383920, 431910, 460704, 575880, 614272, 691056, 767840, 863820, 921408, 1151760, 1228544, 1382112, 1535680, 1727640, 1842816, 2303520, 2457088, 2764224, 3071360, 3455280, 3685632, 4607040, 4914176, 5528448, 6142720, 6910560, 7371264, 9214080, 11056896, 12285440, 13821120, 14742528, 18428160, 22113792, 24570880, 27642240, 36856320, 44227584, 55284480, 73712640, 110568960, 221137920]

約数ペア:

[(1, 221137920), (2, 110568960), (3, 73712640), (4, 55284480), (5, 44227584), (6, 36856320), (8, 27642240), (9, 24570880), (10, 22113792), (12, 18428160), (15, 14742528), (16, 13821120), (18, 12285440), (20, 11056896), (24, 9214080), (30, 7371264), (32, 6910560), (36, 6142720), (40, 5528448), (45, 4914176), (48, 4607040), (60, 3685632), (64, 3455280), (72, 3071360), (80, 2764224), (90, 2457088), (96, 2303520), (120, 1842816), (128, 1727640), (144, 1535680), (160, 1382112), (180, 1228544), (192, 1151760), (240, 921408), (256, 863820), (288, 767840), (320, 691056), (360, 614272), (384, 575880), (480, 460704), (512, 431910), (576, 383920), (640, 345528), (720, 307136), (768, 287940), (960, 230352), (1024, 215955), (1152, 191960), (1280, 172764), (1440, 153568), (1536, 143970), (1920, 115176), (2304, 95980), (2560, 86382), (2880, 76784), (3072, 71985), (3840, 57588), (4608, 47990), (4799, 46080), (5120, 43191), (5760, 38392), (7680, 28794), (9216, 23995), (9598, 23040), (11520, 19196), (14397, 15360)]