27938880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 168

約数和(自身を含む): 98069400

約数和(自身を除く): 70130520

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, 89, 90, 96, 109, 120, 144, 160, 178, 180, 192, 218, 240, 267, 288, 320, 327, 356, 360, 436, 445, 480, 534, 545, 576, 654, 712, 720, 801, 872, 890, 960, 981, 1068, 1090, 1308, 1335, 1424, 1440, 1602, 1635, 1744, 1780, 1962, 2136, 2180, 2616, 2670, 2848, 2880, 3204, 3270, 3488, 3560, 3924, 4005, 4272, 4360, 4905, 5232, 5340, 5696, 6408, 6540, 6976, 7120, 7848, 8010, 8544, 8720, 9701, 9810, 10464, 10680, 12816, 13080, 14240, 15696, 16020, 17088, 17440, 19402, 19620, 20928, 21360, 25632, 26160, 28480, 29103, 31392, 32040, 34880, 38804, 39240, 42720, 48505, 51264, 52320, 58206, 62784, 64080, 77608, 78480, 85440, 87309, 97010, 104640, 116412, 128160, 145515, 155216, 156960, 174618, 194020, 232824, 256320, 291030, 310432, 313920, 349236, 388040, 436545, 465648, 582060, 620864, 698472, 776080, 873090, 931296, 1164120, 1396944, 1552160, 1746180, 1862592, 2328240, 2793888, 3104320, 3492360, 4656480, 5587776, 6984720, 9312960, 13969440, 27938880]

約数ペア:

[(1, 27938880), (2, 13969440), (3, 9312960), (4, 6984720), (5, 5587776), (6, 4656480), (8, 3492360), (9, 3104320), (10, 2793888), (12, 2328240), (15, 1862592), (16, 1746180), (18, 1552160), (20, 1396944), (24, 1164120), (30, 931296), (32, 873090), (36, 776080), (40, 698472), (45, 620864), (48, 582060), (60, 465648), (64, 436545), (72, 388040), (80, 349236), (89, 313920), (90, 310432), (96, 291030), (109, 256320), (120, 232824), (144, 194020), (160, 174618), (178, 156960), (180, 155216), (192, 145515), (218, 128160), (240, 116412), (267, 104640), (288, 97010), (320, 87309), (327, 85440), (356, 78480), (360, 77608), (436, 64080), (445, 62784), (480, 58206), (534, 52320), (545, 51264), (576, 48505), (654, 42720), (712, 39240), (720, 38804), (801, 34880), (872, 32040), (890, 31392), (960, 29103), (981, 28480), (1068, 26160), (1090, 25632), (1308, 21360), (1335, 20928), (1424, 19620), (1440, 19402), (1602, 17440), (1635, 17088), (1744, 16020), (1780, 15696), (1962, 14240), (2136, 13080), (2180, 12816), (2616, 10680), (2670, 10464), (2848, 9810), (2880, 9701), (3204, 8720), (3270, 8544), (3488, 8010), (3560, 7848), (3924, 7120), (4005, 6976), (4272, 6540), (4360, 6408), (4905, 5696), (5232, 5340)]