64021440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{1361}}^1$

素因数の和:1395

約数の個数: 168

約数和(自身を含む): 236628432

約数和(自身を除く): 172606992

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1361, 1470, 1568, 1680, 1960, 2240, 2352, 2722, 2940, 3136, 3360, 3920, 4083, 4704, 5444, 5880, 6720, 6805, 7840, 8166, 9408, 9527, 10888, 11760, 13610, 15680, 16332, 19054, 20415, 21776, 23520, 27220, 28581, 32664, 38108, 40830, 43552, 47040, 47635, 54440, 57162, 65328, 66689, 76216, 81660, 87104, 95270, 108880, 114324, 130656, 133378, 142905, 152432, 163320, 190540, 200067, 217760, 228648, 261312, 266756, 285810, 304864, 326640, 333445, 381080, 400134, 435520, 457296, 533512, 571620, 609728, 653280, 666890, 762160, 800268, 914592, 1000335, 1067024, 1143240, 1306560, 1333780, 1524320, 1600536, 1829184, 2000670, 2134048, 2286480, 2667560, 3048640, 3201072, 4001340, 4268096, 4572960, 5335120, 6402144, 8002680, 9145920, 10670240, 12804288, 16005360, 21340480, 32010720, 64021440]

約数ペア:

[(1, 64021440), (2, 32010720), (3, 21340480), (4, 16005360), (5, 12804288), (6, 10670240), (7, 9145920), (8, 8002680), (10, 6402144), (12, 5335120), (14, 4572960), (15, 4268096), (16, 4001340), (20, 3201072), (21, 3048640), (24, 2667560), (28, 2286480), (30, 2134048), (32, 2000670), (35, 1829184), (40, 1600536), (42, 1524320), (48, 1333780), (49, 1306560), (56, 1143240), (60, 1067024), (64, 1000335), (70, 914592), (80, 800268), (84, 762160), (96, 666890), (98, 653280), (105, 609728), (112, 571620), (120, 533512), (140, 457296), (147, 435520), (160, 400134), (168, 381080), (192, 333445), (196, 326640), (210, 304864), (224, 285810), (240, 266756), (245, 261312), (280, 228648), (294, 217760), (320, 200067), (336, 190540), (392, 163320), (420, 152432), (448, 142905), (480, 133378), (490, 130656), (560, 114324), (588, 108880), (672, 95270), (735, 87104), (784, 81660), (840, 76216), (960, 66689), (980, 65328), (1120, 57162), (1176, 54440), (1344, 47635), (1361, 47040), (1470, 43552), (1568, 40830), (1680, 38108), (1960, 32664), (2240, 28581), (2352, 27220), (2722, 23520), (2940, 21776), (3136, 20415), (3360, 19054), (3920, 16332), (4083, 15680), (4704, 13610), (5444, 11760), (5880, 10888), (6720, 9527), (6805, 9408), (7840, 8166)]