20479206720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{11329}}^1$

素因数の和:11625

約数の個数: 224

約数和(自身を含む): 74593094400

約数和(自身を除く): 54113887680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 269, 280, 320, 336, 420, 448, 480, 538, 560, 672, 807, 840, 960, 1076, 1120, 1344, 1345, 1614, 1680, 1883, 2152, 2240, 2690, 3228, 3360, 3766, 4035, 4304, 5380, 5649, 6456, 6720, 7532, 8070, 8608, 9415, 10760, 11298, 11329, 12912, 15064, 16140, 17216, 18830, 21520, 22596, 22658, 25824, 28245, 30128, 32280, 33987, 37660, 43040, 45192, 45316, 51648, 56490, 56645, 60256, 64560, 67974, 75320, 79303, 86080, 90384, 90632, 112980, 113290, 120512, 129120, 135948, 150640, 158606, 169935, 180768, 181264, 225960, 226580, 237909, 258240, 271896, 301280, 317212, 339870, 361536, 362528, 396515, 451920, 453160, 475818, 543792, 602560, 634424, 679740, 725056, 793030, 903840, 906320, 951636, 1087584, 1189545, 1268848, 1359480, 1586060, 1807680, 1812640, 1903272, 2175168, 2379090, 2537696, 2718960, 3047501, 3172120, 3625280, 3806544, 4758180, 5075392, 5437920, 6095002, 6344240, 7613088, 9142503, 9516360, 10875840, 12190004, 12688480, 15226176, 15237505, 18285006, 19032720, 21332507, 24380008, 25376960, 30475010, 36570012, 38065440, 42665014, 45712515, 48760016, 60950020, 63997521, 73140024, 76130880, 85330028, 91425030, 97520032, 106662535, 121900040, 127995042, 146280048, 170660056, 182850060, 195040064, 213325070, 243800080, 255990084, 292560096, 319987605, 341320112, 365700120, 426650140, 487600160, 511980168, 585120192, 639975210, 682640224, 731400240, 853300280, 975200320, 1023960336, 1279950420, 1365280448, 1462800480, 1706600560, 2047920672, 2559900840, 2925600960, 3413201120, 4095841344, 5119801680, 6826402240, 10239603360, 20479206720]

約数ペア:

[(1, 20479206720), (2, 10239603360), (3, 6826402240), (4, 5119801680), (5, 4095841344), (6, 3413201120), (7, 2925600960), (8, 2559900840), (10, 2047920672), (12, 1706600560), (14, 1462800480), (15, 1365280448), (16, 1279950420), (20, 1023960336), (21, 975200320), (24, 853300280), (28, 731400240), (30, 682640224), (32, 639975210), (35, 585120192), (40, 511980168), (42, 487600160), (48, 426650140), (56, 365700120), (60, 341320112), (64, 319987605), (70, 292560096), (80, 255990084), (84, 243800080), (96, 213325070), (105, 195040064), (112, 182850060), (120, 170660056), (140, 146280048), (160, 127995042), (168, 121900040), (192, 106662535), (210, 97520032), (224, 91425030), (240, 85330028), (269, 76130880), (280, 73140024), (320, 63997521), (336, 60950020), (420, 48760016), (448, 45712515), (480, 42665014), (538, 38065440), (560, 36570012), (672, 30475010), (807, 25376960), (840, 24380008), (960, 21332507), (1076, 19032720), (1120, 18285006), (1344, 15237505), (1345, 15226176), (1614, 12688480), (1680, 12190004), (1883, 10875840), (2152, 9516360), (2240, 9142503), (2690, 7613088), (3228, 6344240), (3360, 6095002), (3766, 5437920), (4035, 5075392), (4304, 4758180), (5380, 3806544), (5649, 3625280), (6456, 3172120), (6720, 3047501), (7532, 2718960), (8070, 2537696), (8608, 2379090), (9415, 2175168), (10760, 1903272), (11298, 1812640), (11329, 1807680), (12912, 1586060), (15064, 1359480), (16140, 1268848), (17216, 1189545), (18830, 1087584), (21520, 951636), (22596, 906320), (22658, 903840), (25824, 793030), (28245, 725056), (30128, 679740), (32280, 634424), (33987, 602560), (37660, 543792), (43040, 475818), (45192, 453160), (45316, 451920), (51648, 396515), (56490, 362528), (56645, 361536), (60256, 339870), (64560, 317212), (67974, 301280), (75320, 271896), (79303, 258240), (86080, 237909), (90384, 226580), (90632, 225960), (112980, 181264), (113290, 180768), (120512, 169935), (129120, 158606), (135948, 150640)]