204774840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 192

約数和(自身を含む): 700876800

約数和(自身を除く): 496101960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 59, 60, 62, 72, 90, 93, 118, 120, 124, 155, 177, 180, 186, 236, 248, 279, 295, 310, 311, 354, 360, 372, 465, 472, 531, 558, 590, 620, 622, 708, 744, 885, 930, 933, 1062, 1116, 1180, 1240, 1244, 1395, 1416, 1555, 1770, 1829, 1860, 1866, 2124, 2232, 2360, 2488, 2655, 2790, 2799, 3110, 3540, 3658, 3720, 3732, 4248, 4665, 5310, 5487, 5580, 5598, 6220, 7080, 7316, 7464, 9145, 9330, 9641, 10620, 10974, 11160, 11196, 12440, 13995, 14632, 16461, 18290, 18349, 18660, 19282, 21240, 21948, 22392, 27435, 27990, 28923, 32922, 36580, 36698, 37320, 38564, 43896, 48205, 54870, 55047, 55980, 57846, 65844, 73160, 73396, 77128, 82305, 86769, 91745, 96410, 109740, 110094, 111960, 115692, 131688, 144615, 146792, 164610, 165141, 173538, 183490, 192820, 219480, 220188, 231384, 275235, 289230, 329220, 330282, 347076, 366980, 385640, 433845, 440376, 550470, 568819, 578460, 658440, 660564, 694152, 733960, 825705, 867690, 1100940, 1137638, 1156920, 1321128, 1651410, 1706457, 1735380, 2201880, 2275276, 2844095, 3302820, 3412914, 3470760, 4550552, 5119371, 5688190, 6605640, 6825828, 8532285, 10238742, 11376380, 13651656, 17064570, 20477484, 22752760, 25596855, 34129140, 40954968, 51193710, 68258280, 102387420, 204774840]

約数ペア:

[(1, 204774840), (2, 102387420), (3, 68258280), (4, 51193710), (5, 40954968), (6, 34129140), (8, 25596855), (9, 22752760), (10, 20477484), (12, 17064570), (15, 13651656), (18, 11376380), (20, 10238742), (24, 8532285), (30, 6825828), (31, 6605640), (36, 5688190), (40, 5119371), (45, 4550552), (59, 3470760), (60, 3412914), (62, 3302820), (72, 2844095), (90, 2275276), (93, 2201880), (118, 1735380), (120, 1706457), (124, 1651410), (155, 1321128), (177, 1156920), (180, 1137638), (186, 1100940), (236, 867690), (248, 825705), (279, 733960), (295, 694152), (310, 660564), (311, 658440), (354, 578460), (360, 568819), (372, 550470), (465, 440376), (472, 433845), (531, 385640), (558, 366980), (590, 347076), (620, 330282), (622, 329220), (708, 289230), (744, 275235), (885, 231384), (930, 220188), (933, 219480), (1062, 192820), (1116, 183490), (1180, 173538), (1240, 165141), (1244, 164610), (1395, 146792), (1416, 144615), (1555, 131688), (1770, 115692), (1829, 111960), (1860, 110094), (1866, 109740), (2124, 96410), (2232, 91745), (2360, 86769), (2488, 82305), (2655, 77128), (2790, 73396), (2799, 73160), (3110, 65844), (3540, 57846), (3658, 55980), (3720, 55047), (3732, 54870), (4248, 48205), (4665, 43896), (5310, 38564), (5487, 37320), (5580, 36698), (5598, 36580), (6220, 32922), (7080, 28923), (7316, 27990), (7464, 27435), (9145, 22392), (9330, 21948), (9641, 21240), (10620, 19282), (10974, 18660), (11160, 18349), (11196, 18290), (12440, 16461), (13995, 14632)]