21252206880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{508913}}^1$

素因数の和:508963

約数の個数: 144

約数和(自身を含む): 75024101880

約数和(自身を除く): 53771895000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3480, 4176, 4640, 5220, 6960, 8352, 10440, 13920, 20880, 41760, 508913, 1017826, 1526739, 2035652, 2544565, 3053478, 4071304, 4580217, 5089130, 6106956, 7633695, 8142608, 9160434, 10178260, 12213912, 14758477, 15267390, 16285216, 18320868, 20356520, 22901085, 24427824, 29516954, 30534780, 36641736, 40713040, 44275431, 45802170, 48855648, 59033908, 61069560, 73283472, 73792385, 81426080, 88550862, 91604340, 118067816, 122139120, 132826293, 146566944, 147584770, 177101724, 183208680, 221377155, 236135632, 244278240, 265652586, 295169540, 354203448, 366417360, 442754310, 472271264, 531305172, 590339080, 664131465, 708406896, 732834720, 885508620, 1062610344, 1180678160, 1328262930, 1416813792, 1771017240, 2125220688, 2361356320, 2656525860, 3542034480, 4250441376, 5313051720, 7084068960, 10626103440, 21252206880]

約数ペア:

[(1, 21252206880), (2, 10626103440), (3, 7084068960), (4, 5313051720), (5, 4250441376), (6, 3542034480), (8, 2656525860), (9, 2361356320), (10, 2125220688), (12, 1771017240), (15, 1416813792), (16, 1328262930), (18, 1180678160), (20, 1062610344), (24, 885508620), (29, 732834720), (30, 708406896), (32, 664131465), (36, 590339080), (40, 531305172), (45, 472271264), (48, 442754310), (58, 366417360), (60, 354203448), (72, 295169540), (80, 265652586), (87, 244278240), (90, 236135632), (96, 221377155), (116, 183208680), (120, 177101724), (144, 147584770), (145, 146566944), (160, 132826293), (174, 122139120), (180, 118067816), (232, 91604340), (240, 88550862), (261, 81426080), (288, 73792385), (290, 73283472), (348, 61069560), (360, 59033908), (435, 48855648), (464, 45802170), (480, 44275431), (522, 40713040), (580, 36641736), (696, 30534780), (720, 29516954), (870, 24427824), (928, 22901085), (1044, 20356520), (1160, 18320868), (1305, 16285216), (1392, 15267390), (1440, 14758477), (1740, 12213912), (2088, 10178260), (2320, 9160434), (2610, 8142608), (2784, 7633695), (3480, 6106956), (4176, 5089130), (4640, 4580217), (5220, 4071304), (6960, 3053478), (8352, 2544565), (10440, 2035652), (13920, 1526739), (20880, 1017826), (41760, 508913)]