401600640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{29881}}^1$

素因数の和:29910

約数の個数: 128

約数和(自身を含む): 1463022720

約数和(自身を除く): 1061422080

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, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 29881, 59762, 89643, 119524, 149405, 179286, 209167, 239048, 298810, 358572, 418334, 448215, 478096, 597620, 627501, 717144, 836668, 896430, 956192, 1045835, 1195240, 1255002, 1434288, 1673336, 1792860, 1912384, 2091670, 2390480, 2510004, 2868576, 3137505, 3346672, 3585720, 3824768, 4183340, 4780960, 5020008, 5737152, 6275010, 6693344, 7171440, 8366680, 9561920, 10040016, 11474304, 12550020, 13386688, 14342880, 16733360, 19123840, 20080032, 25100040, 26773376, 28685760, 33466720, 40160064, 50200080, 57371520, 66933440, 80320128, 100400160, 133866880, 200800320, 401600640]

約数ペア:

[(1, 401600640), (2, 200800320), (3, 133866880), (4, 100400160), (5, 80320128), (6, 66933440), (7, 57371520), (8, 50200080), (10, 40160064), (12, 33466720), (14, 28685760), (15, 26773376), (16, 25100040), (20, 20080032), (21, 19123840), (24, 16733360), (28, 14342880), (30, 13386688), (32, 12550020), (35, 11474304), (40, 10040016), (42, 9561920), (48, 8366680), (56, 7171440), (60, 6693344), (64, 6275010), (70, 5737152), (80, 5020008), (84, 4780960), (96, 4183340), (105, 3824768), (112, 3585720), (120, 3346672), (128, 3137505), (140, 2868576), (160, 2510004), (168, 2390480), (192, 2091670), (210, 1912384), (224, 1792860), (240, 1673336), (280, 1434288), (320, 1255002), (336, 1195240), (384, 1045835), (420, 956192), (448, 896430), (480, 836668), (560, 717144), (640, 627501), (672, 597620), (840, 478096), (896, 448215), (960, 418334), (1120, 358572), (1344, 298810), (1680, 239048), (1920, 209167), (2240, 179286), (2688, 149405), (3360, 119524), (4480, 89643), (6720, 59762), (13440, 29881)]