990864160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 288

約数和(自身を含む): 2882912256

約数和(自身を除く): 1892048096

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 121, 124, 127, 130, 143, 155, 160, 176, 208, 220, 242, 248, 254, 260, 286, 310, 341, 352, 403, 416, 440, 484, 496, 508, 520, 572, 605, 620, 635, 682, 715, 806, 880, 968, 992, 1016, 1040, 1144, 1210, 1240, 1270, 1364, 1397, 1430, 1573, 1612, 1651, 1705, 1760, 1936, 2015, 2032, 2080, 2288, 2420, 2480, 2540, 2728, 2794, 2860, 3146, 3224, 3302, 3410, 3751, 3872, 3937, 4030, 4064, 4433, 4576, 4840, 4960, 5080, 5456, 5588, 5720, 6292, 6448, 6604, 6820, 6985, 7502, 7865, 7874, 8060, 8255, 8866, 9680, 10160, 10912, 11176, 11440, 12584, 12896, 13208, 13640, 13970, 15004, 15367, 15730, 15748, 16120, 16510, 17732, 18161, 18755, 19360, 19685, 20320, 22165, 22352, 22880, 25168, 26416, 27280, 27940, 30008, 30734, 31460, 31496, 32240, 33020, 35464, 36322, 37510, 39370, 43307, 44330, 44704, 48763, 50336, 51181, 52832, 54560, 55880, 60016, 61468, 62920, 62992, 64480, 66040, 70928, 72644, 75020, 76835, 78740, 86614, 88660, 90805, 97526, 102362, 111760, 120032, 122936, 125840, 125984, 132080, 141856, 145288, 150040, 153670, 157480, 173228, 177320, 181610, 195052, 199771, 204724, 216535, 223520, 243815, 245872, 251680, 255905, 264160, 290576, 300080, 307340, 314960, 346456, 354640, 363220, 390104, 399542, 409448, 433070, 476377, 487630, 491744, 511810, 562991, 581152, 600160, 614680, 629920, 692912, 709280, 726440, 780208, 799084, 818896, 866140, 952754, 975260, 998855, 1023620, 1125982, 1229360, 1385824, 1452880, 1560416, 1598168, 1637792, 1732280, 1905508, 1950520, 1997710, 2047240, 2251964, 2381885, 2458720, 2814955, 2905760, 3196336, 3464560, 3811016, 3901040, 3995420, 4094480, 4503928, 4763770, 5629910, 6192901, 6392672, 6929120, 7622032, 7802080, 7990840, 8188960, 9007856, 9527540, 11259820, 12385802, 15244064, 15981680, 18015712, 19055080, 22519640, 24771604, 30964505, 31963360, 38110160, 45039280, 49543208, 61929010, 76220320, 90078560, 99086416, 123858020, 198172832, 247716040, 495432080, 990864160]

約数ペア:

[(1, 990864160), (2, 495432080), (4, 247716040), (5, 198172832), (8, 123858020), (10, 99086416), (11, 90078560), (13, 76220320), (16, 61929010), (20, 49543208), (22, 45039280), (26, 38110160), (31, 31963360), (32, 30964505), (40, 24771604), (44, 22519640), (52, 19055080), (55, 18015712), (62, 15981680), (65, 15244064), (80, 12385802), (88, 11259820), (104, 9527540), (110, 9007856), (121, 8188960), (124, 7990840), (127, 7802080), (130, 7622032), (143, 6929120), (155, 6392672), (160, 6192901), (176, 5629910), (208, 4763770), (220, 4503928), (242, 4094480), (248, 3995420), (254, 3901040), (260, 3811016), (286, 3464560), (310, 3196336), (341, 2905760), (352, 2814955), (403, 2458720), (416, 2381885), (440, 2251964), (484, 2047240), (496, 1997710), (508, 1950520), (520, 1905508), (572, 1732280), (605, 1637792), (620, 1598168), (635, 1560416), (682, 1452880), (715, 1385824), (806, 1229360), (880, 1125982), (968, 1023620), (992, 998855), (1016, 975260), (1040, 952754), (1144, 866140), (1210, 818896), (1240, 799084), (1270, 780208), (1364, 726440), (1397, 709280), (1430, 692912), (1573, 629920), (1612, 614680), (1651, 600160), (1705, 581152), (1760, 562991), (1936, 511810), (2015, 491744), (2032, 487630), (2080, 476377), (2288, 433070), (2420, 409448), (2480, 399542), (2540, 390104), (2728, 363220), (2794, 354640), (2860, 346456), (3146, 314960), (3224, 307340), (3302, 300080), (3410, 290576), (3751, 264160), (3872, 255905), (3937, 251680), (4030, 245872), (4064, 243815), (4433, 223520), (4576, 216535), (4840, 204724), (4960, 199771), (5080, 195052), (5456, 181610), (5588, 177320), (5720, 173228), (6292, 157480), (6448, 153670), (6604, 150040), (6820, 145288), (6985, 141856), (7502, 132080), (7865, 125984), (7874, 125840), (8060, 122936), (8255, 120032), (8866, 111760), (9680, 102362), (10160, 97526), (10912, 90805), (11176, 88660), (11440, 86614), (12584, 78740), (12896, 76835), (13208, 75020), (13640, 72644), (13970, 70928), (15004, 66040), (15367, 64480), (15730, 62992), (15748, 62920), (16120, 61468), (16510, 60016), (17732, 55880), (18161, 54560), (18755, 52832), (19360, 51181), (19685, 50336), (20320, 48763), (22165, 44704), (22352, 44330), (22880, 43307), (25168, 39370), (26416, 37510), (27280, 36322), (27940, 35464), (30008, 33020), (30734, 32240), (31460, 31496)]