720295980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 2048249280

約数和(自身を除く): 1327953300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 241, 327, 436, 457, 482, 545, 654, 723, 914, 964, 1090, 1205, 1308, 1371, 1446, 1635, 1828, 2180, 2285, 2410, 2742, 2892, 3270, 3615, 4570, 4820, 5484, 6540, 6855, 7230, 9140, 13710, 14460, 26269, 27420, 49813, 52538, 78807, 99626, 105076, 110137, 131345, 149439, 157614, 199252, 220274, 249065, 262690, 298878, 315228, 330411, 394035, 440548, 498130, 525380, 550685, 597756, 660822, 747195, 788070, 996260, 1101370, 1321644, 1494390, 1576140, 1652055, 2202740, 2988780, 3304110, 6608220, 12004933, 24009866, 36014799, 48019732, 60024665, 72029598, 120049330, 144059196, 180073995, 240098660, 360147990, 720295980]

約数ペア:

[(1, 720295980), (2, 360147990), (3, 240098660), (4, 180073995), (5, 144059196), (6, 120049330), (10, 72029598), (12, 60024665), (15, 48019732), (20, 36014799), (30, 24009866), (60, 12004933), (109, 6608220), (218, 3304110), (241, 2988780), (327, 2202740), (436, 1652055), (457, 1576140), (482, 1494390), (545, 1321644), (654, 1101370), (723, 996260), (914, 788070), (964, 747195), (1090, 660822), (1205, 597756), (1308, 550685), (1371, 525380), (1446, 498130), (1635, 440548), (1828, 394035), (2180, 330411), (2285, 315228), (2410, 298878), (2742, 262690), (2892, 249065), (3270, 220274), (3615, 199252), (4570, 157614), (4820, 149439), (5484, 131345), (6540, 110137), (6855, 105076), (7230, 99626), (9140, 78807), (13710, 52538), (14460, 49813), (26269, 27420)]