20128823280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{8929}}^1$

素因数の和:9080

約数の個数: 240

約数和(自身を含む): 70478703360

約数和(自身を除く): 50349880080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 101, 120, 124, 144, 155, 180, 186, 202, 240, 248, 279, 303, 310, 360, 372, 404, 465, 496, 505, 558, 606, 620, 720, 744, 808, 909, 930, 1010, 1116, 1212, 1240, 1395, 1488, 1515, 1616, 1818, 1860, 2020, 2232, 2424, 2480, 2790, 3030, 3131, 3636, 3720, 4040, 4464, 4545, 4848, 5580, 6060, 6262, 7272, 7440, 8080, 8929, 9090, 9393, 11160, 12120, 12524, 14544, 15655, 17858, 18180, 18786, 22320, 24240, 25048, 26787, 28179, 31310, 35716, 36360, 37572, 44645, 46965, 50096, 53574, 56358, 62620, 71432, 72720, 75144, 80361, 89290, 93930, 107148, 112716, 125240, 133935, 140895, 142864, 150288, 160722, 178580, 187860, 214296, 225432, 250480, 267870, 276799, 281790, 321444, 357160, 375720, 401805, 428592, 450864, 535740, 553598, 563580, 642888, 714320, 751440, 803610, 830397, 901829, 1071480, 1107196, 1127160, 1285776, 1383995, 1607220, 1660794, 1803658, 2142960, 2214392, 2254320, 2491191, 2705487, 2767990, 3214440, 3321588, 3607316, 4151985, 4428784, 4509145, 4982382, 5410974, 5535980, 6428880, 6643176, 7214632, 8116461, 8303970, 9018290, 9964764, 10821948, 11071960, 12455955, 13286352, 13527435, 14429264, 16232922, 16607940, 18036580, 19929528, 21643896, 22143920, 24911910, 27054870, 27956699, 32465844, 33215880, 36073160, 39859056, 40582305, 43287792, 49823820, 54109740, 55913398, 64931688, 66431760, 72146320, 81164610, 83870097, 99647640, 108219480, 111826796, 129863376, 139783495, 162329220, 167740194, 199295280, 216438960, 223653592, 251610291, 279566990, 324658440, 335480388, 419350485, 447307184, 503220582, 559133980, 649316880, 670960776, 838700970, 1006441164, 1118267960, 1258051455, 1341921552, 1677401940, 2012882328, 2236535920, 2516102910, 3354803880, 4025764656, 5032205820, 6709607760, 10064411640, 20128823280]

約数ペア:

[(1, 20128823280), (2, 10064411640), (3, 6709607760), (4, 5032205820), (5, 4025764656), (6, 3354803880), (8, 2516102910), (9, 2236535920), (10, 2012882328), (12, 1677401940), (15, 1341921552), (16, 1258051455), (18, 1118267960), (20, 1006441164), (24, 838700970), (30, 670960776), (31, 649316880), (36, 559133980), (40, 503220582), (45, 447307184), (48, 419350485), (60, 335480388), (62, 324658440), (72, 279566990), (80, 251610291), (90, 223653592), (93, 216438960), (101, 199295280), (120, 167740194), (124, 162329220), (144, 139783495), (155, 129863376), (180, 111826796), (186, 108219480), (202, 99647640), (240, 83870097), (248, 81164610), (279, 72146320), (303, 66431760), (310, 64931688), (360, 55913398), (372, 54109740), (404, 49823820), (465, 43287792), (496, 40582305), (505, 39859056), (558, 36073160), (606, 33215880), (620, 32465844), (720, 27956699), (744, 27054870), (808, 24911910), (909, 22143920), (930, 21643896), (1010, 19929528), (1116, 18036580), (1212, 16607940), (1240, 16232922), (1395, 14429264), (1488, 13527435), (1515, 13286352), (1616, 12455955), (1818, 11071960), (1860, 10821948), (2020, 9964764), (2232, 9018290), (2424, 8303970), (2480, 8116461), (2790, 7214632), (3030, 6643176), (3131, 6428880), (3636, 5535980), (3720, 5410974), (4040, 4982382), (4464, 4509145), (4545, 4428784), (4848, 4151985), (5580, 3607316), (6060, 3321588), (6262, 3214440), (7272, 2767990), (7440, 2705487), (8080, 2491191), (8929, 2254320), (9090, 2214392), (9393, 2142960), (11160, 1803658), (12120, 1660794), (12524, 1607220), (14544, 1383995), (15655, 1285776), (17858, 1127160), (18180, 1107196), (18786, 1071480), (22320, 901829), (24240, 830397), (25048, 803610), (26787, 751440), (28179, 714320), (31310, 642888), (35716, 563580), (36360, 553598), (37572, 535740), (44645, 450864), (46965, 428592), (50096, 401805), (53574, 375720), (56358, 357160), (62620, 321444), (71432, 281790), (72720, 276799), (75144, 267870), (80361, 250480), (89290, 225432), (93930, 214296), (107148, 187860), (112716, 178580), (125240, 160722), (133935, 150288), (140895, 142864)]