28480980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3923}}^1$

素因数の和:3957

約数の個数: 72

約数和(自身を含む): 87677856

約数和(自身を除く): 59196876

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 3923, 7260, 7846, 11769, 15692, 19615, 23538, 39230, 43153, 47076, 58845, 78460, 86306, 117690, 129459, 172612, 215765, 235380, 258918, 431530, 474683, 517836, 647295, 863060, 949366, 1294590, 1424049, 1898732, 2373415, 2589180, 2848098, 4746830, 5696196, 7120245, 9493660, 14240490, 28480980]

約数ペア:

[(1, 28480980), (2, 14240490), (3, 9493660), (4, 7120245), (5, 5696196), (6, 4746830), (10, 2848098), (11, 2589180), (12, 2373415), (15, 1898732), (20, 1424049), (22, 1294590), (30, 949366), (33, 863060), (44, 647295), (55, 517836), (60, 474683), (66, 431530), (110, 258918), (121, 235380), (132, 215765), (165, 172612), (220, 129459), (242, 117690), (330, 86306), (363, 78460), (484, 58845), (605, 47076), (660, 43153), (726, 39230), (1210, 23538), (1452, 19615), (1815, 15692), (2420, 11769), (3630, 7846), (3923, 7260)]