1921920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:53

約数の個数: 256

約数和(自身を含む): 8225280

約数和(自身を除く): 6303360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 64, 65, 66, 70, 77, 78, 80, 84, 88, 91, 96, 104, 105, 110, 112, 120, 128, 130, 132, 140, 143, 154, 156, 160, 165, 168, 176, 182, 192, 195, 208, 210, 220, 224, 231, 240, 260, 264, 273, 280, 286, 308, 312, 320, 330, 336, 352, 364, 384, 385, 390, 416, 420, 429, 440, 448, 455, 462, 480, 520, 528, 546, 560, 572, 616, 624, 640, 660, 672, 704, 715, 728, 770, 780, 832, 840, 858, 880, 896, 910, 924, 960, 1001, 1040, 1056, 1092, 1120, 1144, 1155, 1232, 1248, 1320, 1344, 1365, 1408, 1430, 1456, 1540, 1560, 1664, 1680, 1716, 1760, 1820, 1848, 1920, 2002, 2080, 2112, 2145, 2184, 2240, 2288, 2310, 2464, 2496, 2640, 2688, 2730, 2860, 2912, 3003, 3080, 3120, 3360, 3432, 3520, 3640, 3696, 4004, 4160, 4224, 4290, 4368, 4480, 4576, 4620, 4928, 4992, 5005, 5280, 5460, 5720, 5824, 6006, 6160, 6240, 6720, 6864, 7040, 7280, 7392, 8008, 8320, 8580, 8736, 9152, 9240, 9856, 10010, 10560, 10920, 11440, 11648, 12012, 12320, 12480, 13440, 13728, 14560, 14784, 15015, 16016, 17160, 17472, 18304, 18480, 20020, 21120, 21840, 22880, 24024, 24640, 24960, 27456, 29120, 29568, 30030, 32032, 34320, 34944, 36960, 40040, 43680, 45760, 48048, 49280, 54912, 58240, 60060, 64064, 68640, 73920, 80080, 87360, 91520, 96096, 120120, 128128, 137280, 147840, 160160, 174720, 192192, 240240, 274560, 320320, 384384, 480480, 640640, 960960, 1921920]

約数ペア:

[(1, 1921920), (2, 960960), (3, 640640), (4, 480480), (5, 384384), (6, 320320), (7, 274560), (8, 240240), (10, 192192), (11, 174720), (12, 160160), (13, 147840), (14, 137280), (15, 128128), (16, 120120), (20, 96096), (21, 91520), (22, 87360), (24, 80080), (26, 73920), (28, 68640), (30, 64064), (32, 60060), (33, 58240), (35, 54912), (39, 49280), (40, 48048), (42, 45760), (44, 43680), (48, 40040), (52, 36960), (55, 34944), (56, 34320), (60, 32032), (64, 30030), (65, 29568), (66, 29120), (70, 27456), (77, 24960), (78, 24640), (80, 24024), (84, 22880), (88, 21840), (91, 21120), (96, 20020), (104, 18480), (105, 18304), (110, 17472), (112, 17160), (120, 16016), (128, 15015), (130, 14784), (132, 14560), (140, 13728), (143, 13440), (154, 12480), (156, 12320), (160, 12012), (165, 11648), (168, 11440), (176, 10920), (182, 10560), (192, 10010), (195, 9856), (208, 9240), (210, 9152), (220, 8736), (224, 8580), (231, 8320), (240, 8008), (260, 7392), (264, 7280), (273, 7040), (280, 6864), (286, 6720), (308, 6240), (312, 6160), (320, 6006), (330, 5824), (336, 5720), (352, 5460), (364, 5280), (384, 5005), (385, 4992), (390, 4928), (416, 4620), (420, 4576), (429, 4480), (440, 4368), (448, 4290), (455, 4224), (462, 4160), (480, 4004), (520, 3696), (528, 3640), (546, 3520), (560, 3432), (572, 3360), (616, 3120), (624, 3080), (640, 3003), (660, 2912), (672, 2860), (704, 2730), (715, 2688), (728, 2640), (770, 2496), (780, 2464), (832, 2310), (840, 2288), (858, 2240), (880, 2184), (896, 2145), (910, 2112), (924, 2080), (960, 2002), (1001, 1920), (1040, 1848), (1056, 1820), (1092, 1760), (1120, 1716), (1144, 1680), (1155, 1664), (1232, 1560), (1248, 1540), (1320, 1456), (1344, 1430), (1365, 1408)]