123113520

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{2111}}^1$

素因数の和:2142

約数の個数: 140

約数和(自身を含む): 429365376

約数和(自身を除く): 306251856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2111, 2160, 2430, 2916, 3240, 3645, 3888, 4222, 4860, 5832, 6333, 6480, 7290, 8444, 9720, 10555, 11664, 12666, 14580, 16888, 18999, 19440, 21110, 25332, 29160, 31665, 33776, 37998, 42220, 50664, 56997, 58320, 63330, 75996, 84440, 94995, 101328, 113994, 126660, 151992, 168880, 170991, 189990, 227988, 253320, 284985, 303984, 341982, 379980, 455976, 506640, 512973, 569970, 683964, 759960, 854955, 911952, 1025946, 1139940, 1367928, 1519920, 1538919, 1709910, 2051892, 2279880, 2564865, 2735856, 3077838, 3419820, 4103784, 4559760, 5129730, 6155676, 6839640, 7694595, 8207568, 10259460, 12311352, 13679280, 15389190, 20518920, 24622704, 30778380, 41037840, 61556760, 123113520]

約数ペア:

[(1, 123113520), (2, 61556760), (3, 41037840), (4, 30778380), (5, 24622704), (6, 20518920), (8, 15389190), (9, 13679280), (10, 12311352), (12, 10259460), (15, 8207568), (16, 7694595), (18, 6839640), (20, 6155676), (24, 5129730), (27, 4559760), (30, 4103784), (36, 3419820), (40, 3077838), (45, 2735856), (48, 2564865), (54, 2279880), (60, 2051892), (72, 1709910), (80, 1538919), (81, 1519920), (90, 1367928), (108, 1139940), (120, 1025946), (135, 911952), (144, 854955), (162, 759960), (180, 683964), (216, 569970), (240, 512973), (243, 506640), (270, 455976), (324, 379980), (360, 341982), (405, 303984), (432, 284985), (486, 253320), (540, 227988), (648, 189990), (720, 170991), (729, 168880), (810, 151992), (972, 126660), (1080, 113994), (1215, 101328), (1296, 94995), (1458, 84440), (1620, 75996), (1944, 63330), (2111, 58320), (2160, 56997), (2430, 50664), (2916, 42220), (3240, 37998), (3645, 33776), (3888, 31665), (4222, 29160), (4860, 25332), (5832, 21110), (6333, 19440), (6480, 18999), (7290, 16888), (8444, 14580), (9720, 12666), (10555, 11664)]