248579520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:619

約数の個数: 224

約数和(自身を含む): 916448256

約数和(自身を除く): 667868736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 192, 210, 213, 224, 240, 280, 284, 320, 336, 355, 420, 426, 448, 480, 497, 521, 560, 568, 672, 710, 840, 852, 960, 994, 1042, 1065, 1120, 1136, 1344, 1420, 1491, 1563, 1680, 1704, 1988, 2084, 2130, 2240, 2272, 2485, 2605, 2840, 2982, 3126, 3360, 3408, 3647, 3976, 4168, 4260, 4544, 4970, 5210, 5680, 5964, 6252, 6720, 6816, 7294, 7455, 7815, 7952, 8336, 8520, 9940, 10420, 10941, 11360, 11928, 12504, 13632, 14588, 14910, 15630, 15904, 16672, 17040, 18235, 19880, 20840, 21882, 22720, 23856, 25008, 29176, 29820, 31260, 31808, 33344, 34080, 36470, 36991, 39760, 41680, 43764, 47712, 50016, 54705, 58352, 59640, 62520, 68160, 72940, 73982, 79520, 83360, 87528, 95424, 100032, 109410, 110973, 116704, 119280, 125040, 145880, 147964, 159040, 166720, 175056, 184955, 218820, 221946, 233408, 238560, 250080, 258937, 291760, 295928, 350112, 369910, 437640, 443892, 477120, 500160, 517874, 554865, 583520, 591856, 700224, 739820, 776811, 875280, 887784, 1035748, 1109730, 1167040, 1183712, 1294685, 1479640, 1553622, 1750560, 1775568, 2071496, 2219460, 2367424, 2589370, 2959280, 3107244, 3501120, 3551136, 3884055, 4142992, 4438920, 5178740, 5918560, 6214488, 7102272, 7768110, 8285984, 8877840, 10357480, 11837120, 12428976, 15536220, 16571968, 17755680, 20714960, 24857952, 31072440, 35511360, 41429920, 49715904, 62144880, 82859840, 124289760, 248579520]

約数ペア:

[(1, 248579520), (2, 124289760), (3, 82859840), (4, 62144880), (5, 49715904), (6, 41429920), (7, 35511360), (8, 31072440), (10, 24857952), (12, 20714960), (14, 17755680), (15, 16571968), (16, 15536220), (20, 12428976), (21, 11837120), (24, 10357480), (28, 8877840), (30, 8285984), (32, 7768110), (35, 7102272), (40, 6214488), (42, 5918560), (48, 5178740), (56, 4438920), (60, 4142992), (64, 3884055), (70, 3551136), (71, 3501120), (80, 3107244), (84, 2959280), (96, 2589370), (105, 2367424), (112, 2219460), (120, 2071496), (140, 1775568), (142, 1750560), (160, 1553622), (168, 1479640), (192, 1294685), (210, 1183712), (213, 1167040), (224, 1109730), (240, 1035748), (280, 887784), (284, 875280), (320, 776811), (336, 739820), (355, 700224), (420, 591856), (426, 583520), (448, 554865), (480, 517874), (497, 500160), (521, 477120), (560, 443892), (568, 437640), (672, 369910), (710, 350112), (840, 295928), (852, 291760), (960, 258937), (994, 250080), (1042, 238560), (1065, 233408), (1120, 221946), (1136, 218820), (1344, 184955), (1420, 175056), (1491, 166720), (1563, 159040), (1680, 147964), (1704, 145880), (1988, 125040), (2084, 119280), (2130, 116704), (2240, 110973), (2272, 109410), (2485, 100032), (2605, 95424), (2840, 87528), (2982, 83360), (3126, 79520), (3360, 73982), (3408, 72940), (3647, 68160), (3976, 62520), (4168, 59640), (4260, 58352), (4544, 54705), (4970, 50016), (5210, 47712), (5680, 43764), (5964, 41680), (6252, 39760), (6720, 36991), (6816, 36470), (7294, 34080), (7455, 33344), (7815, 31808), (7952, 31260), (8336, 29820), (8520, 29176), (9940, 25008), (10420, 23856), (10941, 22720), (11360, 21882), (11928, 20840), (12504, 19880), (13632, 18235), (14588, 17040), (14910, 16672), (15630, 15904)]