20767490640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{56891}}^1$

素因数の和:56939

約数の個数: 240

約数和(自身を含む): 77459595840

約数和(自身を除く): 56692105200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 169, 180, 195, 208, 216, 234, 240, 260, 270, 312, 338, 351, 360, 390, 432, 468, 507, 520, 540, 585, 624, 676, 702, 720, 780, 845, 936, 1014, 1040, 1080, 1170, 1352, 1404, 1521, 1560, 1690, 1755, 1872, 2028, 2160, 2340, 2535, 2704, 2808, 3042, 3120, 3380, 3510, 4056, 4563, 4680, 5070, 5616, 6084, 6760, 7020, 7605, 8112, 9126, 9360, 10140, 12168, 13520, 14040, 15210, 18252, 20280, 22815, 24336, 28080, 30420, 36504, 40560, 45630, 56891, 60840, 73008, 91260, 113782, 121680, 170673, 182520, 227564, 284455, 341346, 365040, 455128, 512019, 568910, 682692, 739583, 853365, 910256, 1024038, 1137820, 1365384, 1479166, 1536057, 1706730, 2048076, 2218749, 2275640, 2560095, 2730768, 2958332, 3072114, 3413460, 3697915, 4096152, 4437498, 4551280, 5120190, 5916664, 6144228, 6656247, 6826920, 7395830, 7680285, 8192304, 8874996, 9614579, 10240380, 11093745, 11833328, 12288456, 13312494, 13653840, 14791660, 15360570, 17749992, 19229158, 19968741, 20480760, 22187490, 24576912, 26624988, 28843737, 29583320, 30721140, 33281235, 35499984, 38458316, 39937482, 40961520, 44374980, 48072895, 53249976, 57687474, 59166640, 61442280, 66562470, 76916632, 79874964, 86531211, 88749960, 96145790, 99843705, 106499952, 115374948, 122884560, 133124940, 144218685, 153833264, 159749928, 173062422, 177499920, 192291580, 199687410, 230749896, 259593633, 266249880, 288437370, 319499856, 346124844, 384583160, 399374820, 432656055, 461499792, 519187266, 532499760, 576874740, 692249688, 769166320, 798749640, 865312110, 1038374532, 1153749480, 1297968165, 1384499376, 1597499280, 1730624220, 2076749064, 2307498960, 2595936330, 3461248440, 4153498128, 5191872660, 6922496880, 10383745320, 20767490640]

約数ペア:

[(1, 20767490640), (2, 10383745320), (3, 6922496880), (4, 5191872660), (5, 4153498128), (6, 3461248440), (8, 2595936330), (9, 2307498960), (10, 2076749064), (12, 1730624220), (13, 1597499280), (15, 1384499376), (16, 1297968165), (18, 1153749480), (20, 1038374532), (24, 865312110), (26, 798749640), (27, 769166320), (30, 692249688), (36, 576874740), (39, 532499760), (40, 519187266), (45, 461499792), (48, 432656055), (52, 399374820), (54, 384583160), (60, 346124844), (65, 319499856), (72, 288437370), (78, 266249880), (80, 259593633), (90, 230749896), (104, 199687410), (108, 192291580), (117, 177499920), (120, 173062422), (130, 159749928), (135, 153833264), (144, 144218685), (156, 133124940), (169, 122884560), (180, 115374948), (195, 106499952), (208, 99843705), (216, 96145790), (234, 88749960), (240, 86531211), (260, 79874964), (270, 76916632), (312, 66562470), (338, 61442280), (351, 59166640), (360, 57687474), (390, 53249976), (432, 48072895), (468, 44374980), (507, 40961520), (520, 39937482), (540, 38458316), (585, 35499984), (624, 33281235), (676, 30721140), (702, 29583320), (720, 28843737), (780, 26624988), (845, 24576912), (936, 22187490), (1014, 20480760), (1040, 19968741), (1080, 19229158), (1170, 17749992), (1352, 15360570), (1404, 14791660), (1521, 13653840), (1560, 13312494), (1690, 12288456), (1755, 11833328), (1872, 11093745), (2028, 10240380), (2160, 9614579), (2340, 8874996), (2535, 8192304), (2704, 7680285), (2808, 7395830), (3042, 6826920), (3120, 6656247), (3380, 6144228), (3510, 5916664), (4056, 5120190), (4563, 4551280), (4680, 4437498), (5070, 4096152), (5616, 3697915), (6084, 3413460), (6760, 3072114), (7020, 2958332), (7605, 2730768), (8112, 2560095), (9126, 2275640), (9360, 2218749), (10140, 2048076), (12168, 1706730), (13520, 1536057), (14040, 1479166), (15210, 1365384), (18252, 1137820), (20280, 1024038), (22815, 910256), (24336, 853365), (28080, 739583), (30420, 682692), (36504, 568910), (40560, 512019), (45630, 455128), (56891, 365040), (60840, 341346), (73008, 284455), (91260, 227564), (113782, 182520), (121680, 170673)]