20838950400

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{661}}^1\times {\mathrm{821}}^1$

素因数の和:1513

約数の個数: 240

約数和(自身を含む): 69028291728

約数和(自身を除く): 48189341328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 661, 768, 800, 821, 960, 1200, 1280, 1322, 1536, 1600, 1642, 1920, 1983, 2400, 2463, 2560, 2644, 3200, 3284, 3305, 3840, 3966, 4105, 4800, 4926, 5288, 6400, 6568, 6610, 7680, 7932, 8210, 9600, 9852, 9915, 10576, 12315, 12800, 13136, 13220, 15864, 16420, 16525, 19200, 19704, 19830, 20525, 21152, 24630, 26272, 26440, 31728, 32840, 33050, 38400, 39408, 39660, 41050, 42304, 49260, 49575, 52544, 52880, 61575, 63456, 65680, 66100, 78816, 79320, 82100, 84608, 98520, 99150, 105088, 105760, 123150, 126912, 131360, 132200, 157632, 158640, 164200, 169216, 197040, 198300, 210176, 211520, 246300, 253824, 262720, 264400, 315264, 317280, 328400, 338432, 394080, 396600, 420352, 423040, 492600, 507648, 525440, 528800, 542681, 630528, 634560, 656800, 788160, 793200, 846080, 985200, 1015296, 1050880, 1057600, 1085362, 1261056, 1269120, 1313600, 1576320, 1586400, 1628043, 1692160, 1970400, 2101760, 2115200, 2170724, 2538240, 2627200, 2713405, 3152640, 3172800, 3256086, 3940800, 4230400, 4341448, 5076480, 5254400, 5426810, 6305280, 6345600, 6512172, 7881600, 8140215, 8460800, 8682896, 10508800, 10853620, 12691200, 13024344, 13567025, 15763200, 16280430, 17365792, 21707240, 25382400, 26048688, 27134050, 31526400, 32560860, 34731584, 40701075, 43414480, 52097376, 54268100, 65121720, 69463168, 81402150, 86828960, 104194752, 108536200, 130243440, 138926336, 162804300, 173657920, 208389504, 217072400, 260486880, 277852672, 325608600, 347315840, 416779008, 434144800, 520973760, 651217200, 694631680, 833558016, 868289600, 1041947520, 1302434400, 1389263360, 1736579200, 2083895040, 2604868800, 3473158400, 4167790080, 5209737600, 6946316800, 10419475200, 20838950400]

約数ペア:

[(1, 20838950400), (2, 10419475200), (3, 6946316800), (4, 5209737600), (5, 4167790080), (6, 3473158400), (8, 2604868800), (10, 2083895040), (12, 1736579200), (15, 1389263360), (16, 1302434400), (20, 1041947520), (24, 868289600), (25, 833558016), (30, 694631680), (32, 651217200), (40, 520973760), (48, 434144800), (50, 416779008), (60, 347315840), (64, 325608600), (75, 277852672), (80, 260486880), (96, 217072400), (100, 208389504), (120, 173657920), (128, 162804300), (150, 138926336), (160, 130243440), (192, 108536200), (200, 104194752), (240, 86828960), (256, 81402150), (300, 69463168), (320, 65121720), (384, 54268100), (400, 52097376), (480, 43414480), (512, 40701075), (600, 34731584), (640, 32560860), (661, 31526400), (768, 27134050), (800, 26048688), (821, 25382400), (960, 21707240), (1200, 17365792), (1280, 16280430), (1322, 15763200), (1536, 13567025), (1600, 13024344), (1642, 12691200), (1920, 10853620), (1983, 10508800), (2400, 8682896), (2463, 8460800), (2560, 8140215), (2644, 7881600), (3200, 6512172), (3284, 6345600), (3305, 6305280), (3840, 5426810), (3966, 5254400), (4105, 5076480), (4800, 4341448), (4926, 4230400), (5288, 3940800), (6400, 3256086), (6568, 3172800), (6610, 3152640), (7680, 2713405), (7932, 2627200), (8210, 2538240), (9600, 2170724), (9852, 2115200), (9915, 2101760), (10576, 1970400), (12315, 1692160), (12800, 1628043), (13136, 1586400), (13220, 1576320), (15864, 1313600), (16420, 1269120), (16525, 1261056), (19200, 1085362), (19704, 1057600), (19830, 1050880), (20525, 1015296), (21152, 985200), (24630, 846080), (26272, 793200), (26440, 788160), (31728, 656800), (32840, 634560), (33050, 630528), (38400, 542681), (39408, 528800), (39660, 525440), (41050, 507648), (42304, 492600), (49260, 423040), (49575, 420352), (52544, 396600), (52880, 394080), (61575, 338432), (63456, 328400), (65680, 317280), (66100, 315264), (78816, 264400), (79320, 262720), (82100, 253824), (84608, 246300), (98520, 211520), (99150, 210176), (105088, 198300), (105760, 197040), (123150, 169216), (126912, 164200), (131360, 158640), (132200, 157632)]