31663860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 96526080

約数和(自身を除く): 64862220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 37, 51, 60, 68, 74, 85, 102, 111, 148, 170, 185, 204, 222, 255, 340, 370, 444, 510, 555, 629, 740, 839, 1020, 1110, 1258, 1678, 1887, 2220, 2516, 2517, 3145, 3356, 3774, 4195, 5034, 6290, 7548, 8390, 9435, 10068, 12580, 12585, 14263, 16780, 18870, 25170, 28526, 31043, 37740, 42789, 50340, 57052, 62086, 71315, 85578, 93129, 124172, 142630, 155215, 171156, 186258, 213945, 285260, 310430, 372516, 427890, 465645, 527731, 620860, 855780, 931290, 1055462, 1583193, 1862580, 2110924, 2638655, 3166386, 5277310, 6332772, 7915965, 10554620, 15831930, 31663860]

約数ペア:

[(1, 31663860), (2, 15831930), (3, 10554620), (4, 7915965), (5, 6332772), (6, 5277310), (10, 3166386), (12, 2638655), (15, 2110924), (17, 1862580), (20, 1583193), (30, 1055462), (34, 931290), (37, 855780), (51, 620860), (60, 527731), (68, 465645), (74, 427890), (85, 372516), (102, 310430), (111, 285260), (148, 213945), (170, 186258), (185, 171156), (204, 155215), (222, 142630), (255, 124172), (340, 93129), (370, 85578), (444, 71315), (510, 62086), (555, 57052), (629, 50340), (740, 42789), (839, 37740), (1020, 31043), (1110, 28526), (1258, 25170), (1678, 18870), (1887, 16780), (2220, 14263), (2516, 12585), (2517, 12580), (3145, 10068), (3356, 9435), (3774, 8390), (4195, 7548), (5034, 6290)]