28975980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 90655488

約数和(自身を除く): 61679508

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 860, 946, 1021, 1290, 1419, 1892, 2042, 2365, 2580, 2838, 3063, 4084, 4730, 5105, 5676, 6126, 7095, 9460, 10210, 11231, 12252, 14190, 15315, 20420, 22462, 28380, 30630, 33693, 43903, 44924, 56155, 61260, 67386, 87806, 112310, 131709, 134772, 168465, 175612, 219515, 224620, 263418, 336930, 439030, 482933, 526836, 658545, 673860, 878060, 965866, 1317090, 1448799, 1931732, 2414665, 2634180, 2897598, 4829330, 5795196, 7243995, 9658660, 14487990, 28975980]

約数ペア:

[(1, 28975980), (2, 14487990), (3, 9658660), (4, 7243995), (5, 5795196), (6, 4829330), (10, 2897598), (11, 2634180), (12, 2414665), (15, 1931732), (20, 1448799), (22, 1317090), (30, 965866), (33, 878060), (43, 673860), (44, 658545), (55, 526836), (60, 482933), (66, 439030), (86, 336930), (110, 263418), (129, 224620), (132, 219515), (165, 175612), (172, 168465), (215, 134772), (220, 131709), (258, 112310), (330, 87806), (430, 67386), (473, 61260), (516, 56155), (645, 44924), (660, 43903), (860, 33693), (946, 30630), (1021, 28380), (1290, 22462), (1419, 20420), (1892, 15315), (2042, 14190), (2365, 12252), (2580, 11231), (2838, 10210), (3063, 9460), (4084, 7095), (4730, 6126), (5105, 5676)]