257570711680

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{77291}}^1$

素因数の和:77478

約数の個数: 128

約数和(自身を含む): 635748341760

約数和(自身を除く): 378177630080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 127, 128, 160, 164, 205, 254, 320, 328, 410, 508, 635, 640, 656, 820, 1016, 1270, 1312, 1640, 2032, 2540, 2624, 3280, 4064, 5080, 5207, 5248, 6560, 8128, 10160, 10414, 13120, 16256, 20320, 20828, 26035, 26240, 40640, 41656, 52070, 77291, 81280, 83312, 104140, 154582, 166624, 208280, 309164, 333248, 386455, 416560, 618328, 666496, 772910, 833120, 1236656, 1545820, 1666240, 2473312, 3091640, 3168931, 3332480, 4946624, 6183280, 6337862, 9815957, 9893248, 12366560, 12675724, 15844655, 19631914, 24733120, 25351448, 31689310, 39263828, 49079785, 49466240, 50702896, 63378620, 78527656, 98159570, 101405792, 126757240, 157055312, 196319140, 202811584, 253514480, 314110624, 392638280, 402454237, 405623168, 507028960, 628221248, 785276560, 804908474, 1014057920, 1256442496, 1570553120, 1609816948, 2012271185, 2028115840, 3141106240, 3219633896, 4024542370, 6282212480, 6439267792, 8049084740, 12878535584, 16098169480, 25757071168, 32196338960, 51514142336, 64392677920, 128785355840, 257570711680]

約数ペア:

[(1, 257570711680), (2, 128785355840), (4, 64392677920), (5, 51514142336), (8, 32196338960), (10, 25757071168), (16, 16098169480), (20, 12878535584), (32, 8049084740), (40, 6439267792), (41, 6282212480), (64, 4024542370), (80, 3219633896), (82, 3141106240), (127, 2028115840), (128, 2012271185), (160, 1609816948), (164, 1570553120), (205, 1256442496), (254, 1014057920), (320, 804908474), (328, 785276560), (410, 628221248), (508, 507028960), (635, 405623168), (640, 402454237), (656, 392638280), (820, 314110624), (1016, 253514480), (1270, 202811584), (1312, 196319140), (1640, 157055312), (2032, 126757240), (2540, 101405792), (2624, 98159570), (3280, 78527656), (4064, 63378620), (5080, 50702896), (5207, 49466240), (5248, 49079785), (6560, 39263828), (8128, 31689310), (10160, 25351448), (10414, 24733120), (13120, 19631914), (16256, 15844655), (20320, 12675724), (20828, 12366560), (26035, 9893248), (26240, 9815957), (40640, 6337862), (41656, 6183280), (52070, 4946624), (77291, 3332480), (81280, 3168931), (83312, 3091640), (104140, 2473312), (154582, 1666240), (166624, 1545820), (208280, 1236656), (309164, 833120), (333248, 772910), (386455, 666496), (416560, 618328)]