217007440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 575963136

約数和(自身を除く): 358955696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 53, 62, 65, 80, 104, 106, 124, 127, 130, 155, 208, 212, 248, 254, 260, 265, 310, 403, 424, 496, 508, 520, 530, 620, 635, 689, 806, 848, 1016, 1040, 1060, 1240, 1270, 1378, 1612, 1643, 1651, 2015, 2032, 2120, 2480, 2540, 2756, 3224, 3286, 3302, 3445, 3937, 4030, 4240, 5080, 5512, 6448, 6572, 6604, 6731, 6890, 7874, 8060, 8215, 8255, 10160, 11024, 13144, 13208, 13462, 13780, 15748, 16120, 16430, 16510, 19685, 21359, 26288, 26416, 26924, 27560, 31496, 32240, 32860, 33020, 33655, 39370, 42718, 51181, 53848, 55120, 62992, 65720, 66040, 67310, 78740, 85436, 87503, 102362, 106795, 107696, 131440, 132080, 134620, 157480, 170872, 175006, 204724, 208661, 213590, 255905, 269240, 314960, 341744, 350012, 409448, 417322, 427180, 437515, 511810, 538480, 700024, 818896, 834644, 854360, 875030, 1023620, 1043305, 1400048, 1669288, 1708720, 1750060, 2047240, 2086610, 2712593, 3338576, 3500120, 4094480, 4173220, 5425186, 7000240, 8346440, 10850372, 13562965, 16692880, 21700744, 27125930, 43401488, 54251860, 108503720, 217007440]

約数ペア:

[(1, 217007440), (2, 108503720), (4, 54251860), (5, 43401488), (8, 27125930), (10, 21700744), (13, 16692880), (16, 13562965), (20, 10850372), (26, 8346440), (31, 7000240), (40, 5425186), (52, 4173220), (53, 4094480), (62, 3500120), (65, 3338576), (80, 2712593), (104, 2086610), (106, 2047240), (124, 1750060), (127, 1708720), (130, 1669288), (155, 1400048), (208, 1043305), (212, 1023620), (248, 875030), (254, 854360), (260, 834644), (265, 818896), (310, 700024), (403, 538480), (424, 511810), (496, 437515), (508, 427180), (520, 417322), (530, 409448), (620, 350012), (635, 341744), (689, 314960), (806, 269240), (848, 255905), (1016, 213590), (1040, 208661), (1060, 204724), (1240, 175006), (1270, 170872), (1378, 157480), (1612, 134620), (1643, 132080), (1651, 131440), (2015, 107696), (2032, 106795), (2120, 102362), (2480, 87503), (2540, 85436), (2756, 78740), (3224, 67310), (3286, 66040), (3302, 65720), (3445, 62992), (3937, 55120), (4030, 53848), (4240, 51181), (5080, 42718), (5512, 39370), (6448, 33655), (6572, 33020), (6604, 32860), (6731, 32240), (6890, 31496), (7874, 27560), (8060, 26924), (8215, 26416), (8255, 26288), (10160, 21359), (11024, 19685), (13144, 16510), (13208, 16430), (13462, 16120), (13780, 15748)]