217868280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{599}}^1$

素因数の和:1053

約数の個数: 128

約数和(自身を含む): 749952000

約数和(自身を除く): 532083720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 433, 599, 840, 866, 1198, 1299, 1732, 1797, 2165, 2396, 2598, 2995, 3031, 3464, 3594, 4193, 4330, 4792, 5196, 5990, 6062, 6495, 7188, 8386, 8660, 8985, 9093, 10392, 11980, 12124, 12579, 12990, 14376, 15155, 16772, 17320, 17970, 18186, 20965, 23960, 24248, 25158, 25980, 30310, 33544, 35940, 36372, 41930, 45465, 50316, 51960, 60620, 62895, 71880, 72744, 83860, 90930, 100632, 121240, 125790, 167720, 181860, 251580, 259367, 363720, 503160, 518734, 778101, 1037468, 1296835, 1556202, 1815569, 2074936, 2593670, 3112404, 3631138, 3890505, 5187340, 5446707, 6224808, 7262276, 7781010, 9077845, 10374680, 10893414, 14524552, 15562020, 18155690, 21786828, 27233535, 31124040, 36311380, 43573656, 54467070, 72622760, 108934140, 217868280]

約数ペア:

[(1, 217868280), (2, 108934140), (3, 72622760), (4, 54467070), (5, 43573656), (6, 36311380), (7, 31124040), (8, 27233535), (10, 21786828), (12, 18155690), (14, 15562020), (15, 14524552), (20, 10893414), (21, 10374680), (24, 9077845), (28, 7781010), (30, 7262276), (35, 6224808), (40, 5446707), (42, 5187340), (56, 3890505), (60, 3631138), (70, 3112404), (84, 2593670), (105, 2074936), (120, 1815569), (140, 1556202), (168, 1296835), (210, 1037468), (280, 778101), (420, 518734), (433, 503160), (599, 363720), (840, 259367), (866, 251580), (1198, 181860), (1299, 167720), (1732, 125790), (1797, 121240), (2165, 100632), (2396, 90930), (2598, 83860), (2995, 72744), (3031, 71880), (3464, 62895), (3594, 60620), (4193, 51960), (4330, 50316), (4792, 45465), (5196, 41930), (5990, 36372), (6062, 35940), (6495, 33544), (7188, 30310), (8386, 25980), (8660, 25158), (8985, 24248), (9093, 23960), (10392, 20965), (11980, 18186), (12124, 17970), (12579, 17320), (12990, 16772), (14376, 15155)]