20969394480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313163}}^1$

素因数の和:313216

約数の個数: 160

約数和(自身を含む): 74558085120

約数和(自身を除く): 53588690640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 3348, 3720, 4185, 4464, 5580, 6696, 7440, 8370, 11160, 13392, 16740, 22320, 33480, 66960, 313163, 626326, 939489, 1252652, 1565815, 1878978, 2505304, 2818467, 3131630, 3757956, 4697445, 5010608, 5636934, 6263260, 7515912, 8455401, 9394890, 9708053, 11273868, 12526520, 14092335, 15031824, 16910802, 18789780, 19416106, 22547736, 25053040, 28184670, 29124159, 33821604, 37579560, 38832212, 42277005, 45095472, 48540265, 56369340, 58248318, 67643208, 75159120, 77664424, 84554010, 87372477, 97080530, 112738680, 116496636, 135286416, 145620795, 155328848, 169108020, 174744954, 194161060, 225477360, 232993272, 262117431, 291241590, 338216040, 349489908, 388322120, 436862385, 465986544, 524234862, 582483180, 676432080, 698979816, 776644240, 873724770, 1048469724, 1164966360, 1310587155, 1397959632, 1747449540, 2096939448, 2329932720, 2621174310, 3494899080, 4193878896, 5242348620, 6989798160, 10484697240, 20969394480]

約数ペア:

[(1, 20969394480), (2, 10484697240), (3, 6989798160), (4, 5242348620), (5, 4193878896), (6, 3494899080), (8, 2621174310), (9, 2329932720), (10, 2096939448), (12, 1747449540), (15, 1397959632), (16, 1310587155), (18, 1164966360), (20, 1048469724), (24, 873724770), (27, 776644240), (30, 698979816), (31, 676432080), (36, 582483180), (40, 524234862), (45, 465986544), (48, 436862385), (54, 388322120), (60, 349489908), (62, 338216040), (72, 291241590), (80, 262117431), (90, 232993272), (93, 225477360), (108, 194161060), (120, 174744954), (124, 169108020), (135, 155328848), (144, 145620795), (155, 135286416), (180, 116496636), (186, 112738680), (216, 97080530), (240, 87372477), (248, 84554010), (270, 77664424), (279, 75159120), (310, 67643208), (360, 58248318), (372, 56369340), (432, 48540265), (465, 45095472), (496, 42277005), (540, 38832212), (558, 37579560), (620, 33821604), (720, 29124159), (744, 28184670), (837, 25053040), (930, 22547736), (1080, 19416106), (1116, 18789780), (1240, 16910802), (1395, 15031824), (1488, 14092335), (1674, 12526520), (1860, 11273868), (2160, 9708053), (2232, 9394890), (2480, 8455401), (2790, 7515912), (3348, 6263260), (3720, 5636934), (4185, 5010608), (4464, 4697445), (5580, 3757956), (6696, 3131630), (7440, 2818467), (8370, 2505304), (11160, 1878978), (13392, 1565815), (16740, 1252652), (22320, 939489), (33480, 626326), (66960, 313163)]