20152440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:762

約数の個数: 192

約数和(自身を含む): 81768960

約数和(自身を除く): 61616520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 727, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1454, 1540, 1848, 1980, 2181, 2310, 2520, 2772, 2908, 3080, 3465, 3635, 3960, 4362, 4620, 5089, 5544, 5816, 6543, 6930, 7270, 7997, 8724, 9240, 10178, 10905, 13086, 13860, 14540, 15267, 15994, 17448, 20356, 21810, 23991, 25445, 26172, 27720, 29080, 30534, 31988, 32715, 39985, 40712, 43620, 45801, 47982, 50890, 52344, 55979, 61068, 63976, 65430, 71973, 76335, 79970, 87240, 91602, 95964, 101780, 111958, 119955, 122136, 130860, 143946, 152670, 159940, 167937, 183204, 191928, 203560, 223916, 229005, 239910, 261720, 279895, 287892, 305340, 319880, 335874, 359865, 366408, 447832, 458010, 479820, 503811, 559790, 575784, 610680, 671748, 719730, 839685, 916020, 959640, 1007622, 1119580, 1343496, 1439460, 1679370, 1832040, 2015244, 2239160, 2519055, 2878920, 3358740, 4030488, 5038110, 6717480, 10076220, 20152440]

約数ペア:

[(1, 20152440), (2, 10076220), (3, 6717480), (4, 5038110), (5, 4030488), (6, 3358740), (7, 2878920), (8, 2519055), (9, 2239160), (10, 2015244), (11, 1832040), (12, 1679370), (14, 1439460), (15, 1343496), (18, 1119580), (20, 1007622), (21, 959640), (22, 916020), (24, 839685), (28, 719730), (30, 671748), (33, 610680), (35, 575784), (36, 559790), (40, 503811), (42, 479820), (44, 458010), (45, 447832), (55, 366408), (56, 359865), (60, 335874), (63, 319880), (66, 305340), (70, 287892), (72, 279895), (77, 261720), (84, 239910), (88, 229005), (90, 223916), (99, 203560), (105, 191928), (110, 183204), (120, 167937), (126, 159940), (132, 152670), (140, 143946), (154, 130860), (165, 122136), (168, 119955), (180, 111958), (198, 101780), (210, 95964), (220, 91602), (231, 87240), (252, 79970), (264, 76335), (280, 71973), (308, 65430), (315, 63976), (330, 61068), (360, 55979), (385, 52344), (396, 50890), (420, 47982), (440, 45801), (462, 43620), (495, 40712), (504, 39985), (616, 32715), (630, 31988), (660, 30534), (693, 29080), (727, 27720), (770, 26172), (792, 25445), (840, 23991), (924, 21810), (990, 20356), (1155, 17448), (1260, 15994), (1320, 15267), (1386, 14540), (1454, 13860), (1540, 13086), (1848, 10905), (1980, 10178), (2181, 9240), (2310, 8724), (2520, 7997), (2772, 7270), (2908, 6930), (3080, 6543), (3465, 5816), (3635, 5544), (3960, 5089), (4362, 4620)]