20788309440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{12959}}^1$

素因数の和:13539

約数の個数: 168

約数和(自身を含む): 71637022080

約数和(自身を除く): 50848712640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 557, 576, 720, 960, 1114, 1440, 1671, 2228, 2785, 2880, 3342, 4456, 5013, 5570, 6684, 8355, 8912, 10026, 11140, 12959, 13368, 16710, 17824, 20052, 22280, 25065, 25918, 26736, 33420, 35648, 38877, 40104, 44560, 50130, 51836, 53472, 64795, 66840, 77754, 80208, 89120, 100260, 103672, 106944, 116631, 129590, 133680, 155508, 160416, 178240, 194385, 200520, 207344, 233262, 259180, 267360, 311016, 320832, 388770, 401040, 414688, 466524, 518360, 534720, 583155, 622032, 777540, 802080, 829376, 933048, 1036720, 1166310, 1244064, 1555080, 1604160, 1866096, 2073440, 2332620, 2488128, 3110160, 3732192, 4146880, 4665240, 6220320, 7218163, 7464384, 9330480, 12440640, 14436326, 18660960, 21654489, 28872652, 36090815, 37321920, 43308978, 57745304, 64963467, 72181630, 86617956, 108272445, 115490608, 129926934, 144363260, 173235912, 216544890, 230981216, 259853868, 288726520, 324817335, 346471824, 433089780, 461962432, 519707736, 577453040, 649634670, 692943648, 866179560, 1039415472, 1154906080, 1299269340, 1385887296, 1732359120, 2078830944, 2309812160, 2598538680, 3464718240, 4157661888, 5197077360, 6929436480, 10394154720, 20788309440]

約数ペア:

[(1, 20788309440), (2, 10394154720), (3, 6929436480), (4, 5197077360), (5, 4157661888), (6, 3464718240), (8, 2598538680), (9, 2309812160), (10, 2078830944), (12, 1732359120), (15, 1385887296), (16, 1299269340), (18, 1154906080), (20, 1039415472), (24, 866179560), (30, 692943648), (32, 649634670), (36, 577453040), (40, 519707736), (45, 461962432), (48, 433089780), (60, 346471824), (64, 324817335), (72, 288726520), (80, 259853868), (90, 230981216), (96, 216544890), (120, 173235912), (144, 144363260), (160, 129926934), (180, 115490608), (192, 108272445), (240, 86617956), (288, 72181630), (320, 64963467), (360, 57745304), (480, 43308978), (557, 37321920), (576, 36090815), (720, 28872652), (960, 21654489), (1114, 18660960), (1440, 14436326), (1671, 12440640), (2228, 9330480), (2785, 7464384), (2880, 7218163), (3342, 6220320), (4456, 4665240), (5013, 4146880), (5570, 3732192), (6684, 3110160), (8355, 2488128), (8912, 2332620), (10026, 2073440), (11140, 1866096), (12959, 1604160), (13368, 1555080), (16710, 1244064), (17824, 1166310), (20052, 1036720), (22280, 933048), (25065, 829376), (25918, 802080), (26736, 777540), (33420, 622032), (35648, 583155), (38877, 534720), (40104, 518360), (44560, 466524), (50130, 414688), (51836, 401040), (53472, 388770), (64795, 320832), (66840, 311016), (77754, 267360), (80208, 259180), (89120, 233262), (100260, 207344), (103672, 200520), (106944, 194385), (116631, 178240), (129590, 160416), (133680, 155508)]