12340980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 41081040

約数和(自身を除く): 28740060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 109, 111, 148, 153, 170, 180, 185, 204, 218, 222, 255, 306, 327, 333, 340, 370, 436, 444, 510, 545, 555, 612, 629, 654, 666, 740, 765, 981, 1020, 1090, 1110, 1258, 1308, 1332, 1530, 1635, 1665, 1853, 1887, 1962, 2180, 2220, 2516, 3060, 3145, 3270, 3330, 3706, 3774, 3924, 4033, 4905, 5559, 5661, 6290, 6540, 6660, 7412, 7548, 8066, 9265, 9435, 9810, 11118, 11322, 12099, 12580, 16132, 16677, 18530, 18870, 19620, 20165, 22236, 22644, 24198, 27795, 28305, 33354, 36297, 37060, 37740, 40330, 48396, 55590, 56610, 60495, 66708, 68561, 72594, 80660, 83385, 111180, 113220, 120990, 137122, 145188, 166770, 181485, 205683, 241980, 274244, 333540, 342805, 362970, 411366, 617049, 685610, 725940, 822732, 1028415, 1234098, 1371220, 2056830, 2468196, 3085245, 4113660, 6170490, 12340980]

約数ペア:

[(1, 12340980), (2, 6170490), (3, 4113660), (4, 3085245), (5, 2468196), (6, 2056830), (9, 1371220), (10, 1234098), (12, 1028415), (15, 822732), (17, 725940), (18, 685610), (20, 617049), (30, 411366), (34, 362970), (36, 342805), (37, 333540), (45, 274244), (51, 241980), (60, 205683), (68, 181485), (74, 166770), (85, 145188), (90, 137122), (102, 120990), (109, 113220), (111, 111180), (148, 83385), (153, 80660), (170, 72594), (180, 68561), (185, 66708), (204, 60495), (218, 56610), (222, 55590), (255, 48396), (306, 40330), (327, 37740), (333, 37060), (340, 36297), (370, 33354), (436, 28305), (444, 27795), (510, 24198), (545, 22644), (555, 22236), (612, 20165), (629, 19620), (654, 18870), (666, 18530), (740, 16677), (765, 16132), (981, 12580), (1020, 12099), (1090, 11322), (1110, 11118), (1258, 9810), (1308, 9435), (1332, 9265), (1530, 8066), (1635, 7548), (1665, 7412), (1853, 6660), (1887, 6540), (1962, 6290), (2180, 5661), (2220, 5559), (2516, 4905), (3060, 4033), (3145, 3924), (3270, 3774), (3330, 3706)]