27529480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 73872000

約数和(自身を除く): 46342520

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 89, 95, 110, 148, 152, 178, 185, 190, 209, 220, 296, 356, 370, 380, 407, 418, 440, 445, 703, 712, 740, 760, 814, 836, 890, 979, 1045, 1406, 1480, 1628, 1672, 1691, 1780, 1958, 2035, 2090, 2812, 3256, 3293, 3382, 3515, 3560, 3916, 4070, 4180, 4895, 5624, 6586, 6764, 7030, 7733, 7832, 8140, 8360, 8455, 9790, 13172, 13528, 14060, 15466, 16280, 16465, 16910, 18601, 19580, 26344, 28120, 30932, 32930, 33820, 36223, 37202, 38665, 39160, 61864, 62567, 65860, 67640, 72446, 74404, 77330, 93005, 125134, 131720, 144892, 148808, 154660, 181115, 186010, 250268, 289784, 309320, 312835, 362230, 372020, 500536, 625670, 688237, 724460, 744040, 1251340, 1376474, 1448920, 2502680, 2752948, 3441185, 5505896, 6882370, 13764740, 27529480]

約数ペア:

[(1, 27529480), (2, 13764740), (4, 6882370), (5, 5505896), (8, 3441185), (10, 2752948), (11, 2502680), (19, 1448920), (20, 1376474), (22, 1251340), (37, 744040), (38, 724460), (40, 688237), (44, 625670), (55, 500536), (74, 372020), (76, 362230), (88, 312835), (89, 309320), (95, 289784), (110, 250268), (148, 186010), (152, 181115), (178, 154660), (185, 148808), (190, 144892), (209, 131720), (220, 125134), (296, 93005), (356, 77330), (370, 74404), (380, 72446), (407, 67640), (418, 65860), (440, 62567), (445, 61864), (703, 39160), (712, 38665), (740, 37202), (760, 36223), (814, 33820), (836, 32930), (890, 30932), (979, 28120), (1045, 26344), (1406, 19580), (1480, 18601), (1628, 16910), (1672, 16465), (1691, 16280), (1780, 15466), (1958, 14060), (2035, 13528), (2090, 13172), (2812, 9790), (3256, 8455), (3293, 8360), (3382, 8140), (3515, 7832), (3560, 7733), (3916, 7030), (4070, 6764), (4180, 6586), (4895, 5624)]