180405120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:493

約数の個数: 256

約数和(自身を含む): 679956480

約数和(自身を除く): 499551360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 433, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 744, 840, 866, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1299, 1302, 1344, 1488, 1680, 1732, 1736, 1860, 1920, 1984, 2165, 2170, 2240, 2480, 2598, 2604, 2688, 2976, 3031, 3255, 3360, 3464, 3472, 3720, 3968, 4330, 4340, 4480, 4960, 5196, 5208, 5952, 6062, 6495, 6510, 6720, 6928, 6944, 7440, 8660, 8680, 9093, 9920, 10392, 10416, 11904, 12124, 12990, 13020, 13423, 13440, 13856, 13888, 14880, 15155, 17320, 17360, 18186, 19840, 20784, 20832, 24248, 25980, 26040, 26846, 27712, 27776, 29760, 30310, 34640, 34720, 36372, 40269, 41568, 41664, 45465, 48496, 51960, 52080, 53692, 55424, 59520, 60620, 67115, 69280, 69440, 72744, 80538, 83136, 83328, 90930, 93961, 96992, 103920, 104160, 107384, 121240, 134230, 138560, 138880, 145488, 161076, 166272, 181860, 187922, 193984, 201345, 207840, 208320, 214768, 242480, 268460, 277120, 281883, 290976, 322152, 363720, 375844, 387968, 402690, 415680, 416640, 429536, 469805, 484960, 536920, 563766, 581952, 644304, 727440, 751688, 805380, 831360, 859072, 939610, 969920, 1073840, 1127532, 1163904, 1288608, 1409415, 1454880, 1503376, 1610760, 1718144, 1879220, 1939840, 2147680, 2255064, 2577216, 2818830, 2909760, 3006752, 3221520, 3758440, 4295360, 4510128, 5154432, 5637660, 5819520, 6013504, 6443040, 7516880, 8590720, 9020256, 11275320, 12027008, 12886080, 15033760, 18040512, 22550640, 25772160, 30067520, 36081024, 45101280, 60135040, 90202560, 180405120]

約数ペア:

[(1, 180405120), (2, 90202560), (3, 60135040), (4, 45101280), (5, 36081024), (6, 30067520), (7, 25772160), (8, 22550640), (10, 18040512), (12, 15033760), (14, 12886080), (15, 12027008), (16, 11275320), (20, 9020256), (21, 8590720), (24, 7516880), (28, 6443040), (30, 6013504), (31, 5819520), (32, 5637660), (35, 5154432), (40, 4510128), (42, 4295360), (48, 3758440), (56, 3221520), (60, 3006752), (62, 2909760), (64, 2818830), (70, 2577216), (80, 2255064), (84, 2147680), (93, 1939840), (96, 1879220), (105, 1718144), (112, 1610760), (120, 1503376), (124, 1454880), (128, 1409415), (140, 1288608), (155, 1163904), (160, 1127532), (168, 1073840), (186, 969920), (192, 939610), (210, 859072), (217, 831360), (224, 805380), (240, 751688), (248, 727440), (280, 644304), (310, 581952), (320, 563766), (336, 536920), (372, 484960), (384, 469805), (420, 429536), (433, 416640), (434, 415680), (448, 402690), (465, 387968), (480, 375844), (496, 363720), (560, 322152), (620, 290976), (640, 281883), (651, 277120), (672, 268460), (744, 242480), (840, 214768), (866, 208320), (868, 207840), (896, 201345), (930, 193984), (960, 187922), (992, 181860), (1085, 166272), (1120, 161076), (1240, 145488), (1299, 138880), (1302, 138560), (1344, 134230), (1488, 121240), (1680, 107384), (1732, 104160), (1736, 103920), (1860, 96992), (1920, 93961), (1984, 90930), (2165, 83328), (2170, 83136), (2240, 80538), (2480, 72744), (2598, 69440), (2604, 69280), (2688, 67115), (2976, 60620), (3031, 59520), (3255, 55424), (3360, 53692), (3464, 52080), (3472, 51960), (3720, 48496), (3968, 45465), (4330, 41664), (4340, 41568), (4480, 40269), (4960, 36372), (5196, 34720), (5208, 34640), (5952, 30310), (6062, 29760), (6495, 27776), (6510, 27712), (6720, 26846), (6928, 26040), (6944, 25980), (7440, 24248), (8660, 20832), (8680, 20784), (9093, 19840), (9920, 18186), (10392, 17360), (10416, 17320), (11904, 15155), (12124, 14880), (12990, 13888), (13020, 13856), (13423, 13440)]