2756529920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:726

約数の個数: 144

約数和(自身を含む): 6881968128

約数和(自身を除く): 4125438208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 320, 496, 508, 547, 620, 635, 640, 992, 1016, 1094, 1240, 1270, 1280, 1984, 2032, 2188, 2480, 2540, 2735, 3937, 3968, 4064, 4376, 4960, 5080, 5470, 7874, 7936, 8128, 8752, 9920, 10160, 10940, 15748, 16256, 16957, 17504, 19685, 19840, 20320, 21880, 31496, 32512, 33914, 35008, 39370, 39680, 40640, 43760, 62992, 67828, 69469, 70016, 78740, 81280, 84785, 87520, 125984, 135656, 138938, 140032, 157480, 162560, 169570, 175040, 251968, 271312, 277876, 314960, 339140, 347345, 350080, 503936, 542624, 555752, 629920, 678280, 694690, 700160, 1007872, 1085248, 1111504, 1259840, 1356560, 1389380, 2153539, 2170496, 2223008, 2519680, 2713120, 2778760, 4307078, 4340992, 4446016, 5039360, 5426240, 5557520, 8614156, 8892032, 10767695, 10852480, 11115040, 17228312, 17784064, 21535390, 21704960, 22230080, 34456624, 43070780, 44460160, 68913248, 86141560, 88920320, 137826496, 172283120, 275652992, 344566240, 551305984, 689132480, 1378264960, 2756529920]

約数ペア:

[(1, 2756529920), (2, 1378264960), (4, 689132480), (5, 551305984), (8, 344566240), (10, 275652992), (16, 172283120), (20, 137826496), (31, 88920320), (32, 86141560), (40, 68913248), (62, 44460160), (64, 43070780), (80, 34456624), (124, 22230080), (127, 21704960), (128, 21535390), (155, 17784064), (160, 17228312), (248, 11115040), (254, 10852480), (256, 10767695), (310, 8892032), (320, 8614156), (496, 5557520), (508, 5426240), (547, 5039360), (620, 4446016), (635, 4340992), (640, 4307078), (992, 2778760), (1016, 2713120), (1094, 2519680), (1240, 2223008), (1270, 2170496), (1280, 2153539), (1984, 1389380), (2032, 1356560), (2188, 1259840), (2480, 1111504), (2540, 1085248), (2735, 1007872), (3937, 700160), (3968, 694690), (4064, 678280), (4376, 629920), (4960, 555752), (5080, 542624), (5470, 503936), (7874, 350080), (7936, 347345), (8128, 339140), (8752, 314960), (9920, 277876), (10160, 271312), (10940, 251968), (15748, 175040), (16256, 169570), (16957, 162560), (17504, 157480), (19685, 140032), (19840, 138938), (20320, 135656), (21880, 125984), (31496, 87520), (32512, 84785), (33914, 81280), (35008, 78740), (39370, 70016), (39680, 69469), (40640, 67828), (43760, 62992)]