15558660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 52132080

約数和(自身を除く): 36573420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 109, 117, 122, 130, 156, 180, 183, 195, 218, 234, 244, 260, 305, 327, 366, 390, 436, 468, 545, 549, 585, 610, 654, 732, 780, 793, 915, 981, 1090, 1098, 1170, 1220, 1308, 1417, 1586, 1635, 1830, 1962, 2180, 2196, 2340, 2379, 2745, 2834, 3172, 3270, 3660, 3924, 3965, 4251, 4758, 4905, 5490, 5668, 6540, 6649, 7085, 7137, 7930, 8502, 9516, 9810, 10980, 11895, 12753, 13298, 14170, 14274, 15860, 17004, 19620, 19947, 21255, 23790, 25506, 26596, 28340, 28548, 33245, 35685, 39894, 42510, 47580, 51012, 59841, 63765, 66490, 71370, 79788, 85020, 86437, 99735, 119682, 127530, 132980, 142740, 172874, 199470, 239364, 255060, 259311, 299205, 345748, 398940, 432185, 518622, 598410, 777933, 864370, 1037244, 1196820, 1296555, 1555866, 1728740, 2593110, 3111732, 3889665, 5186220, 7779330, 15558660]

約数ペア:

[(1, 15558660), (2, 7779330), (3, 5186220), (4, 3889665), (5, 3111732), (6, 2593110), (9, 1728740), (10, 1555866), (12, 1296555), (13, 1196820), (15, 1037244), (18, 864370), (20, 777933), (26, 598410), (30, 518622), (36, 432185), (39, 398940), (45, 345748), (52, 299205), (60, 259311), (61, 255060), (65, 239364), (78, 199470), (90, 172874), (109, 142740), (117, 132980), (122, 127530), (130, 119682), (156, 99735), (180, 86437), (183, 85020), (195, 79788), (218, 71370), (234, 66490), (244, 63765), (260, 59841), (305, 51012), (327, 47580), (366, 42510), (390, 39894), (436, 35685), (468, 33245), (545, 28548), (549, 28340), (585, 26596), (610, 25506), (654, 23790), (732, 21255), (780, 19947), (793, 19620), (915, 17004), (981, 15860), (1090, 14274), (1098, 14170), (1170, 13298), (1220, 12753), (1308, 11895), (1417, 10980), (1586, 9810), (1635, 9516), (1830, 8502), (1962, 7930), (2180, 7137), (2196, 7085), (2340, 6649), (2379, 6540), (2745, 5668), (2834, 5490), (3172, 4905), (3270, 4758), (3660, 4251), (3924, 3965)]