19660479840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{123001}}^1$

素因数の和:123062

約数の個数: 192

約数和(自身を含む): 70672029120

約数和(自身を除く): 51011549280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 216, 222, 240, 270, 288, 296, 333, 360, 370, 432, 444, 480, 540, 555, 592, 666, 720, 740, 864, 888, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3330, 3552, 3996, 4320, 4440, 4995, 5328, 5920, 6660, 7992, 8880, 9990, 10656, 13320, 15984, 17760, 19980, 26640, 31968, 39960, 53280, 79920, 123001, 159840, 246002, 369003, 492004, 615005, 738006, 984008, 1107009, 1230010, 1476012, 1845015, 1968016, 2214018, 2460020, 2952024, 3321027, 3690030, 3936032, 4428036, 4551037, 4920040, 5535045, 5904048, 6642054, 7380060, 8856072, 9102074, 9840080, 11070090, 11808096, 13284108, 13653111, 14760120, 16605135, 17712144, 18204148, 19680160, 22140180, 22755185, 26568216, 27306222, 29520240, 33210270, 35424288, 36408296, 40959333, 44280360, 45510370, 53136432, 54612444, 59040480, 66420540, 68265555, 72816592, 81918666, 88560720, 91020740, 106272864, 109224888, 122877999, 132841080, 136531110, 145633184, 163837332, 177121440, 182041480, 204796665, 218449776, 245755998, 265682160, 273062220, 327674664, 364082960, 409593330, 436899552, 491511996, 531364320, 546124440, 614389995, 655349328, 728165920, 819186660, 983023992, 1092248880, 1228779990, 1310698656, 1638373320, 1966047984, 2184497760, 2457559980, 3276746640, 3932095968, 4915119960, 6553493280, 9830239920, 19660479840]

約数ペア:

[(1, 19660479840), (2, 9830239920), (3, 6553493280), (4, 4915119960), (5, 3932095968), (6, 3276746640), (8, 2457559980), (9, 2184497760), (10, 1966047984), (12, 1638373320), (15, 1310698656), (16, 1228779990), (18, 1092248880), (20, 983023992), (24, 819186660), (27, 728165920), (30, 655349328), (32, 614389995), (36, 546124440), (37, 531364320), (40, 491511996), (45, 436899552), (48, 409593330), (54, 364082960), (60, 327674664), (72, 273062220), (74, 265682160), (80, 245755998), (90, 218449776), (96, 204796665), (108, 182041480), (111, 177121440), (120, 163837332), (135, 145633184), (144, 136531110), (148, 132841080), (160, 122877999), (180, 109224888), (185, 106272864), (216, 91020740), (222, 88560720), (240, 81918666), (270, 72816592), (288, 68265555), (296, 66420540), (333, 59040480), (360, 54612444), (370, 53136432), (432, 45510370), (444, 44280360), (480, 40959333), (540, 36408296), (555, 35424288), (592, 33210270), (666, 29520240), (720, 27306222), (740, 26568216), (864, 22755185), (888, 22140180), (999, 19680160), (1080, 18204148), (1110, 17712144), (1184, 16605135), (1332, 14760120), (1440, 13653111), (1480, 13284108), (1665, 11808096), (1776, 11070090), (1998, 9840080), (2160, 9102074), (2220, 8856072), (2664, 7380060), (2960, 6642054), (3330, 5904048), (3552, 5535045), (3996, 4920040), (4320, 4551037), (4440, 4428036), (4995, 3936032), (5328, 3690030), (5920, 3321027), (6660, 2952024), (7992, 2460020), (8880, 2214018), (9990, 1968016), (10656, 1845015), (13320, 1476012), (15984, 1230010), (17760, 1107009), (19980, 984008), (26640, 738006), (31968, 615005), (39960, 492004), (53280, 369003), (79920, 246002), (123001, 159840)]