140655680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1348

約数の個数: 112

約数和(自身を含む): 377464320

約数和(自身を除く): 236808640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 682, 704, 880, 992, 1240, 1289, 1364, 1705, 1760, 1984, 2480, 2578, 2728, 3410, 3520, 4960, 5156, 5456, 6445, 6820, 9920, 10312, 10912, 12890, 13640, 14179, 20624, 21824, 25780, 27280, 28358, 39959, 41248, 51560, 54560, 56716, 70895, 79918, 82496, 103120, 109120, 113432, 141790, 159836, 199795, 206240, 226864, 283580, 319672, 399590, 412480, 439549, 453728, 567160, 639344, 799180, 879098, 907456, 1134320, 1278688, 1598360, 1758196, 2197745, 2268640, 2557376, 3196720, 3516392, 4395490, 4537280, 6393440, 7032784, 8790980, 12786880, 14065568, 17581960, 28131136, 35163920, 70327840, 140655680]

約数ペア:

[(1, 140655680), (2, 70327840), (4, 35163920), (5, 28131136), (8, 17581960), (10, 14065568), (11, 12786880), (16, 8790980), (20, 7032784), (22, 6393440), (31, 4537280), (32, 4395490), (40, 3516392), (44, 3196720), (55, 2557376), (62, 2268640), (64, 2197745), (80, 1758196), (88, 1598360), (110, 1278688), (124, 1134320), (155, 907456), (160, 879098), (176, 799180), (220, 639344), (248, 567160), (310, 453728), (320, 439549), (341, 412480), (352, 399590), (440, 319672), (496, 283580), (620, 226864), (682, 206240), (704, 199795), (880, 159836), (992, 141790), (1240, 113432), (1289, 109120), (1364, 103120), (1705, 82496), (1760, 79918), (1984, 70895), (2480, 56716), (2578, 54560), (2728, 51560), (3410, 41248), (3520, 39959), (4960, 28358), (5156, 27280), (5456, 25780), (6445, 21824), (6820, 20624), (9920, 14179), (10312, 13640), (10912, 12890)]