15190120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 41472000

約数和(自身を除く): 26281880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 79, 88, 92, 95, 110, 115, 152, 158, 184, 190, 209, 220, 230, 253, 316, 380, 395, 418, 437, 440, 460, 506, 632, 760, 790, 836, 869, 874, 920, 1012, 1045, 1265, 1501, 1580, 1672, 1738, 1748, 1817, 2024, 2090, 2185, 2530, 3002, 3160, 3476, 3496, 3634, 4180, 4345, 4370, 4807, 5060, 6004, 6952, 7268, 7505, 8360, 8690, 8740, 9085, 9614, 10120, 12008, 14536, 15010, 16511, 17380, 17480, 18170, 19228, 19987, 24035, 30020, 33022, 34523, 34760, 36340, 38456, 39974, 48070, 60040, 66044, 69046, 72680, 79948, 82555, 96140, 99935, 132088, 138092, 159896, 165110, 172615, 192280, 199870, 276184, 330220, 345230, 379753, 399740, 660440, 690460, 759506, 799480, 1380920, 1519012, 1898765, 3038024, 3797530, 7595060, 15190120]

約数ペア:

[(1, 15190120), (2, 7595060), (4, 3797530), (5, 3038024), (8, 1898765), (10, 1519012), (11, 1380920), (19, 799480), (20, 759506), (22, 690460), (23, 660440), (38, 399740), (40, 379753), (44, 345230), (46, 330220), (55, 276184), (76, 199870), (79, 192280), (88, 172615), (92, 165110), (95, 159896), (110, 138092), (115, 132088), (152, 99935), (158, 96140), (184, 82555), (190, 79948), (209, 72680), (220, 69046), (230, 66044), (253, 60040), (316, 48070), (380, 39974), (395, 38456), (418, 36340), (437, 34760), (440, 34523), (460, 33022), (506, 30020), (632, 24035), (760, 19987), (790, 19228), (836, 18170), (869, 17480), (874, 17380), (920, 16511), (1012, 15010), (1045, 14536), (1265, 12008), (1501, 10120), (1580, 9614), (1672, 9085), (1738, 8740), (1748, 8690), (1817, 8360), (2024, 7505), (2090, 7268), (2185, 6952), (2530, 6004), (3002, 5060), (3160, 4807), (3476, 4370), (3496, 4345), (3634, 4180)]