551858280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1361}}^1$

素因数の和:1515

約数の個数: 128

約数和(自身を含む): 1725926400

約数和(自身を除く): 1174068120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 109, 120, 124, 155, 186, 218, 248, 310, 327, 372, 436, 465, 545, 620, 654, 744, 872, 930, 1090, 1240, 1308, 1361, 1635, 1860, 2180, 2616, 2722, 3270, 3379, 3720, 4083, 4360, 5444, 6540, 6758, 6805, 8166, 10137, 10888, 13080, 13516, 13610, 16332, 16895, 20274, 20415, 27032, 27220, 32664, 33790, 40548, 40830, 42191, 50685, 54440, 67580, 81096, 81660, 84382, 101370, 126573, 135160, 148349, 163320, 168764, 202740, 210955, 253146, 296698, 337528, 405480, 421910, 445047, 506292, 593396, 632865, 741745, 843820, 890094, 1012584, 1186792, 1265730, 1483490, 1687640, 1780188, 2225235, 2531460, 2966980, 3560376, 4450470, 4598819, 5062920, 5933960, 8900940, 9197638, 13796457, 17801880, 18395276, 22994095, 27592914, 36790552, 45988190, 55185828, 68982285, 91976380, 110371656, 137964570, 183952760, 275929140, 551858280]

約数ペア:

[(1, 551858280), (2, 275929140), (3, 183952760), (4, 137964570), (5, 110371656), (6, 91976380), (8, 68982285), (10, 55185828), (12, 45988190), (15, 36790552), (20, 27592914), (24, 22994095), (30, 18395276), (31, 17801880), (40, 13796457), (60, 9197638), (62, 8900940), (93, 5933960), (109, 5062920), (120, 4598819), (124, 4450470), (155, 3560376), (186, 2966980), (218, 2531460), (248, 2225235), (310, 1780188), (327, 1687640), (372, 1483490), (436, 1265730), (465, 1186792), (545, 1012584), (620, 890094), (654, 843820), (744, 741745), (872, 632865), (930, 593396), (1090, 506292), (1240, 445047), (1308, 421910), (1361, 405480), (1635, 337528), (1860, 296698), (2180, 253146), (2616, 210955), (2722, 202740), (3270, 168764), (3379, 163320), (3720, 148349), (4083, 135160), (4360, 126573), (5444, 101370), (6540, 84382), (6758, 81660), (6805, 81096), (8166, 67580), (10137, 54440), (10888, 50685), (13080, 42191), (13516, 40830), (13610, 40548), (16332, 33790), (16895, 32664), (20274, 27220), (20415, 27032)]