1218780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 3958080

約数和(自身を除く): 2739300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 61, 74, 90, 108, 111, 122, 135, 148, 180, 183, 185, 222, 244, 270, 305, 333, 366, 370, 444, 540, 549, 555, 610, 666, 732, 740, 915, 999, 1098, 1110, 1220, 1332, 1647, 1665, 1830, 1998, 2196, 2220, 2257, 2745, 3294, 3330, 3660, 3996, 4514, 4995, 5490, 6588, 6660, 6771, 8235, 9028, 9990, 10980, 11285, 13542, 16470, 19980, 20313, 22570, 27084, 32940, 33855, 40626, 45140, 60939, 67710, 81252, 101565, 121878, 135420, 203130, 243756, 304695, 406260, 609390, 1218780]

約数ペア:

[(1, 1218780), (2, 609390), (3, 406260), (4, 304695), (5, 243756), (6, 203130), (9, 135420), (10, 121878), (12, 101565), (15, 81252), (18, 67710), (20, 60939), (27, 45140), (30, 40626), (36, 33855), (37, 32940), (45, 27084), (54, 22570), (60, 20313), (61, 19980), (74, 16470), (90, 13542), (108, 11285), (111, 10980), (122, 9990), (135, 9028), (148, 8235), (180, 6771), (183, 6660), (185, 6588), (222, 5490), (244, 4995), (270, 4514), (305, 3996), (333, 3660), (366, 3330), (370, 3294), (444, 2745), (540, 2257), (549, 2220), (555, 2196), (610, 1998), (666, 1830), (732, 1665), (740, 1647), (915, 1332), (999, 1220), (1098, 1110)]