259967120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:553

約数の個数: 160

約数和(自身を含む): 742452480

約数和(自身を除く): 482485360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 53, 56, 70, 76, 80, 95, 106, 112, 133, 140, 152, 190, 212, 265, 266, 280, 304, 371, 380, 424, 461, 530, 532, 560, 665, 742, 760, 848, 922, 1007, 1060, 1064, 1330, 1484, 1520, 1844, 1855, 2014, 2120, 2128, 2305, 2660, 2968, 3227, 3688, 3710, 4028, 4240, 4610, 5035, 5320, 5936, 6454, 7049, 7376, 7420, 8056, 8759, 9220, 10070, 10640, 12908, 14098, 14840, 16112, 16135, 17518, 18440, 20140, 24433, 25816, 28196, 29680, 32270, 35036, 35245, 36880, 40280, 43795, 48866, 51632, 56392, 61313, 64540, 70072, 70490, 80560, 87590, 97732, 112784, 122165, 122626, 129080, 140144, 140980, 171031, 175180, 195464, 244330, 245252, 258160, 281960, 306565, 342062, 350360, 390928, 464227, 488660, 490504, 563920, 613130, 684124, 700720, 855155, 928454, 977320, 981008, 1226260, 1368248, 1710310, 1856908, 1954640, 2321135, 2452520, 2736496, 3249589, 3420620, 3713816, 4642270, 4905040, 6499178, 6841240, 7427632, 9284540, 12998356, 13682480, 16247945, 18569080, 25996712, 32495890, 37138160, 51993424, 64991780, 129983560, 259967120]

約数ペア:

[(1, 259967120), (2, 129983560), (4, 64991780), (5, 51993424), (7, 37138160), (8, 32495890), (10, 25996712), (14, 18569080), (16, 16247945), (19, 13682480), (20, 12998356), (28, 9284540), (35, 7427632), (38, 6841240), (40, 6499178), (53, 4905040), (56, 4642270), (70, 3713816), (76, 3420620), (80, 3249589), (95, 2736496), (106, 2452520), (112, 2321135), (133, 1954640), (140, 1856908), (152, 1710310), (190, 1368248), (212, 1226260), (265, 981008), (266, 977320), (280, 928454), (304, 855155), (371, 700720), (380, 684124), (424, 613130), (461, 563920), (530, 490504), (532, 488660), (560, 464227), (665, 390928), (742, 350360), (760, 342062), (848, 306565), (922, 281960), (1007, 258160), (1060, 245252), (1064, 244330), (1330, 195464), (1484, 175180), (1520, 171031), (1844, 140980), (1855, 140144), (2014, 129080), (2120, 122626), (2128, 122165), (2305, 112784), (2660, 97732), (2968, 87590), (3227, 80560), (3688, 70490), (3710, 70072), (4028, 64540), (4240, 61313), (4610, 56392), (5035, 51632), (5320, 48866), (5936, 43795), (6454, 40280), (7049, 36880), (7376, 35245), (7420, 35036), (8056, 32270), (8759, 29680), (9220, 28196), (10070, 25816), (10640, 24433), (12908, 20140), (14098, 18440), (14840, 17518), (16112, 16135)]