40304880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:764

約数の個数: 240

約数和(自身を含む): 168989184

約数和(自身を除く): 128684304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 727, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1454, 1540, 1584, 1680, 1848, 1980, 2181, 2310, 2520, 2640, 2772, 2908, 3080, 3465, 3635, 3696, 3960, 4362, 4620, 5040, 5089, 5544, 5816, 6160, 6543, 6930, 7270, 7920, 7997, 8724, 9240, 10178, 10905, 11088, 11632, 13086, 13860, 14540, 15267, 15994, 17448, 18480, 20356, 21810, 23991, 25445, 26172, 27720, 29080, 30534, 31988, 32715, 34896, 39985, 40712, 43620, 45801, 47982, 50890, 52344, 55440, 55979, 58160, 61068, 63976, 65430, 71973, 76335, 79970, 81424, 87240, 91602, 95964, 101780, 104688, 111958, 119955, 122136, 127952, 130860, 143946, 152670, 159940, 167937, 174480, 183204, 191928, 203560, 223916, 229005, 239910, 244272, 261720, 279895, 287892, 305340, 319880, 335874, 359865, 366408, 383856, 407120, 447832, 458010, 479820, 503811, 523440, 559790, 575784, 610680, 639760, 671748, 719730, 732816, 839685, 895664, 916020, 959640, 1007622, 1119580, 1151568, 1221360, 1343496, 1439460, 1679370, 1832040, 1919280, 2015244, 2239160, 2519055, 2686992, 2878920, 3358740, 3664080, 4030488, 4478320, 5038110, 5757840, 6717480, 8060976, 10076220, 13434960, 20152440, 40304880]

約数ペア:

[(1, 40304880), (2, 20152440), (3, 13434960), (4, 10076220), (5, 8060976), (6, 6717480), (7, 5757840), (8, 5038110), (9, 4478320), (10, 4030488), (11, 3664080), (12, 3358740), (14, 2878920), (15, 2686992), (16, 2519055), (18, 2239160), (20, 2015244), (21, 1919280), (22, 1832040), (24, 1679370), (28, 1439460), (30, 1343496), (33, 1221360), (35, 1151568), (36, 1119580), (40, 1007622), (42, 959640), (44, 916020), (45, 895664), (48, 839685), (55, 732816), (56, 719730), (60, 671748), (63, 639760), (66, 610680), (70, 575784), (72, 559790), (77, 523440), (80, 503811), (84, 479820), (88, 458010), (90, 447832), (99, 407120), (105, 383856), (110, 366408), (112, 359865), (120, 335874), (126, 319880), (132, 305340), (140, 287892), (144, 279895), (154, 261720), (165, 244272), (168, 239910), (176, 229005), (180, 223916), (198, 203560), (210, 191928), (220, 183204), (231, 174480), (240, 167937), (252, 159940), (264, 152670), (280, 143946), (308, 130860), (315, 127952), (330, 122136), (336, 119955), (360, 111958), (385, 104688), (396, 101780), (420, 95964), (440, 91602), (462, 87240), (495, 81424), (504, 79970), (528, 76335), (560, 71973), (616, 65430), (630, 63976), (660, 61068), (693, 58160), (720, 55979), (727, 55440), (770, 52344), (792, 50890), (840, 47982), (880, 45801), (924, 43620), (990, 40712), (1008, 39985), (1155, 34896), (1232, 32715), (1260, 31988), (1320, 30534), (1386, 29080), (1454, 27720), (1540, 26172), (1584, 25445), (1680, 23991), (1848, 21810), (1980, 20356), (2181, 18480), (2310, 17448), (2520, 15994), (2640, 15267), (2772, 14540), (2908, 13860), (3080, 13086), (3465, 11632), (3635, 11088), (3696, 10905), (3960, 10178), (4362, 9240), (4620, 8724), (5040, 7997), (5089, 7920), (5544, 7270), (5816, 6930), (6160, 6543)]