256195205100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{1979}}^1\times {\mathrm{47947}}^1$

素因数の和:49949

約数の個数: 144

約数和(自身を含む): 824053507200

約数和(自身を除く): 567858302100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 1979, 2700, 3958, 5937, 7916, 9895, 11874, 17811, 19790, 23748, 29685, 35622, 39580, 47947, 49475, 53433, 59370, 71244, 89055, 95894, 98950, 106866, 118740, 143841, 148425, 178110, 191788, 197900, 213732, 239735, 267165, 287682, 296850, 356220, 431523, 445275, 479470, 534330, 575364, 593700, 719205, 863046, 890550, 958940, 1068660, 1198675, 1294569, 1335825, 1438410, 1726092, 1781100, 2157615, 2397350, 2589138, 2671650, 2876820, 3596025, 4315230, 4794700, 5178276, 5343300, 6472845, 7192050, 8630460, 10788075, 12945690, 14384100, 21576150, 25891380, 32364225, 43152300, 64728450, 94887113, 129456900, 189774226, 284661339, 379548452, 474435565, 569322678, 853984017, 948871130, 1138645356, 1423306695, 1707968034, 1897742260, 2372177825, 2561952051, 2846613390, 3415936068, 4269920085, 4744355650, 5123904102, 5693226780, 7116533475, 8539840170, 9488711300, 10247808204, 12809760255, 14233066950, 17079680340, 21349600425, 25619520510, 28466133900, 42699200850, 51239041020, 64048801275, 85398401700, 128097602550, 256195205100]

約数ペア:

[(1, 256195205100), (2, 128097602550), (3, 85398401700), (4, 64048801275), (5, 51239041020), (6, 42699200850), (9, 28466133900), (10, 25619520510), (12, 21349600425), (15, 17079680340), (18, 14233066950), (20, 12809760255), (25, 10247808204), (27, 9488711300), (30, 8539840170), (36, 7116533475), (45, 5693226780), (50, 5123904102), (54, 4744355650), (60, 4269920085), (75, 3415936068), (90, 2846613390), (100, 2561952051), (108, 2372177825), (135, 1897742260), (150, 1707968034), (180, 1423306695), (225, 1138645356), (270, 948871130), (300, 853984017), (450, 569322678), (540, 474435565), (675, 379548452), (900, 284661339), (1350, 189774226), (1979, 129456900), (2700, 94887113), (3958, 64728450), (5937, 43152300), (7916, 32364225), (9895, 25891380), (11874, 21576150), (17811, 14384100), (19790, 12945690), (23748, 10788075), (29685, 8630460), (35622, 7192050), (39580, 6472845), (47947, 5343300), (49475, 5178276), (53433, 4794700), (59370, 4315230), (71244, 3596025), (89055, 2876820), (95894, 2671650), (98950, 2589138), (106866, 2397350), (118740, 2157615), (143841, 1781100), (148425, 1726092), (178110, 1438410), (191788, 1335825), (197900, 1294569), (213732, 1198675), (239735, 1068660), (267165, 958940), (287682, 890550), (296850, 863046), (356220, 719205), (431523, 593700), (445275, 575364), (479470, 534330)]