20638484640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{6311}}^1$

素因数の和:7092

約数の個数: 192

約数和(自身を含む): 72341579520

約数和(自身を除く): 51703094880

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, 757, 864, 1080, 1440, 1514, 2160, 2271, 3028, 3785, 4320, 4542, 6056, 6311, 6813, 7570, 9084, 11355, 12112, 12622, 13626, 15140, 18168, 18933, 20439, 22710, 24224, 25244, 27252, 30280, 31555, 34065, 36336, 37866, 40878, 45420, 50488, 54504, 56799, 60560, 63110, 68130, 72672, 75732, 81756, 90840, 94665, 100976, 102195, 109008, 113598, 121120, 126220, 136260, 151464, 163512, 170397, 181680, 189330, 201952, 204390, 218016, 227196, 252440, 272520, 283995, 302928, 327024, 340794, 363360, 378660, 408780, 454392, 504880, 545040, 567990, 605856, 654048, 681588, 757320, 817560, 851985, 908784, 1009760, 1090080, 1135980, 1363176, 1514640, 1635120, 1703970, 1817568, 2271960, 2726352, 3029280, 3270240, 3407940, 4543920, 4777427, 5452704, 6815880, 9087840, 9554854, 13631760, 14332281, 19109708, 23887135, 27263520, 28664562, 38219416, 42996843, 47774270, 57329124, 71661405, 76438832, 85993686, 95548540, 114658248, 128990529, 143322810, 152877664, 171987372, 191097080, 214984215, 229316496, 257981058, 286645620, 343974744, 382194160, 429968430, 458632992, 515962116, 573291240, 644952645, 687949488, 764388320, 859936860, 1031924232, 1146582480, 1289905290, 1375898976, 1719873720, 2063848464, 2293164960, 2579810580, 3439747440, 4127696928, 5159621160, 6879494880, 10319242320, 20638484640]

約数ペア:

[(1, 20638484640), (2, 10319242320), (3, 6879494880), (4, 5159621160), (5, 4127696928), (6, 3439747440), (8, 2579810580), (9, 2293164960), (10, 2063848464), (12, 1719873720), (15, 1375898976), (16, 1289905290), (18, 1146582480), (20, 1031924232), (24, 859936860), (27, 764388320), (30, 687949488), (32, 644952645), (36, 573291240), (40, 515962116), (45, 458632992), (48, 429968430), (54, 382194160), (60, 343974744), (72, 286645620), (80, 257981058), (90, 229316496), (96, 214984215), (108, 191097080), (120, 171987372), (135, 152877664), (144, 143322810), (160, 128990529), (180, 114658248), (216, 95548540), (240, 85993686), (270, 76438832), (288, 71661405), (360, 57329124), (432, 47774270), (480, 42996843), (540, 38219416), (720, 28664562), (757, 27263520), (864, 23887135), (1080, 19109708), (1440, 14332281), (1514, 13631760), (2160, 9554854), (2271, 9087840), (3028, 6815880), (3785, 5452704), (4320, 4777427), (4542, 4543920), (6056, 3407940), (6311, 3270240), (6813, 3029280), (7570, 2726352), (9084, 2271960), (11355, 1817568), (12112, 1703970), (12622, 1635120), (13626, 1514640), (15140, 1363176), (18168, 1135980), (18933, 1090080), (20439, 1009760), (22710, 908784), (24224, 851985), (25244, 817560), (27252, 757320), (30280, 681588), (31555, 654048), (34065, 605856), (36336, 567990), (37866, 545040), (40878, 504880), (45420, 454392), (50488, 408780), (54504, 378660), (56799, 363360), (60560, 340794), (63110, 327024), (68130, 302928), (72672, 283995), (75732, 272520), (81756, 252440), (90840, 227196), (94665, 218016), (100976, 204390), (102195, 201952), (109008, 189330), (113598, 181680), (121120, 170397), (126220, 163512), (136260, 151464)]