20815449120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{2053}}^1\times {\mathrm{2347}}^1$

素因数の和:4424

約数の個数: 192

約数和(自身を含む): 72920615040

約数和(自身を除く): 52105165920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2053, 2160, 2347, 4106, 4320, 4694, 6159, 7041, 8212, 9388, 10265, 11735, 12318, 14082, 16424, 18477, 18776, 20530, 21123, 23470, 24636, 28164, 30795, 32848, 35205, 36954, 37552, 41060, 42246, 46940, 49272, 55431, 56328, 61590, 63369, 65696, 70410, 73908, 75104, 82120, 84492, 92385, 93880, 98544, 105615, 110862, 112656, 123180, 126738, 140820, 147816, 164240, 168984, 184770, 187760, 197088, 211230, 221724, 225312, 246360, 253476, 277155, 281640, 295632, 316845, 328480, 337968, 369540, 375520, 422460, 443448, 492720, 506952, 554310, 563280, 591264, 633690, 675936, 739080, 844920, 886896, 985440, 1013904, 1108620, 1126560, 1267380, 1478160, 1689840, 1773792, 2027808, 2217240, 2534760, 2956320, 3379680, 4434480, 4818391, 5069520, 8868960, 9636782, 10139040, 14455173, 19273564, 24091955, 28910346, 38547128, 43365519, 48183910, 57820692, 72275865, 77094256, 86731038, 96367820, 115641384, 130096557, 144551730, 154188512, 173462076, 192735640, 216827595, 231282768, 260193114, 289103460, 346924152, 385471280, 433655190, 462565536, 520386228, 578206920, 650482785, 693848304, 770942560, 867310380, 1040772456, 1156413840, 1300965570, 1387696608, 1734620760, 2081544912, 2312827680, 2601931140, 3469241520, 4163089824, 5203862280, 6938483040, 10407724560, 20815449120]

約数ペア:

[(1, 20815449120), (2, 10407724560), (3, 6938483040), (4, 5203862280), (5, 4163089824), (6, 3469241520), (8, 2601931140), (9, 2312827680), (10, 2081544912), (12, 1734620760), (15, 1387696608), (16, 1300965570), (18, 1156413840), (20, 1040772456), (24, 867310380), (27, 770942560), (30, 693848304), (32, 650482785), (36, 578206920), (40, 520386228), (45, 462565536), (48, 433655190), (54, 385471280), (60, 346924152), (72, 289103460), (80, 260193114), (90, 231282768), (96, 216827595), (108, 192735640), (120, 173462076), (135, 154188512), (144, 144551730), (160, 130096557), (180, 115641384), (216, 96367820), (240, 86731038), (270, 77094256), (288, 72275865), (360, 57820692), (432, 48183910), (480, 43365519), (540, 38547128), (720, 28910346), (864, 24091955), (1080, 19273564), (1440, 14455173), (2053, 10139040), (2160, 9636782), (2347, 8868960), (4106, 5069520), (4320, 4818391), (4694, 4434480), (6159, 3379680), (7041, 2956320), (8212, 2534760), (9388, 2217240), (10265, 2027808), (11735, 1773792), (12318, 1689840), (14082, 1478160), (16424, 1267380), (18477, 1126560), (18776, 1108620), (20530, 1013904), (21123, 985440), (23470, 886896), (24636, 844920), (28164, 739080), (30795, 675936), (32848, 633690), (35205, 591264), (36954, 563280), (37552, 554310), (41060, 506952), (42246, 492720), (46940, 443448), (49272, 422460), (55431, 375520), (56328, 369540), (61590, 337968), (63369, 328480), (65696, 316845), (70410, 295632), (73908, 281640), (75104, 277155), (82120, 253476), (84492, 246360), (92385, 225312), (93880, 221724), (98544, 211230), (105615, 197088), (110862, 187760), (112656, 184770), (123180, 168984), (126738, 164240), (140820, 147816)]