11981340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 42823872

約数和(自身を除く): 30842532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 257, 259, 315, 333, 370, 420, 444, 514, 518, 555, 630, 666, 740, 771, 777, 1028, 1036, 1110, 1260, 1285, 1295, 1332, 1542, 1554, 1665, 1799, 2220, 2313, 2331, 2570, 2590, 3084, 3108, 3330, 3598, 3855, 3885, 4626, 4662, 5140, 5180, 5397, 6660, 7196, 7710, 7770, 8995, 9252, 9324, 9509, 10794, 11565, 11655, 15420, 15540, 16191, 17990, 19018, 21588, 23130, 23310, 26985, 28527, 32382, 35980, 38036, 46260, 46620, 47545, 53970, 57054, 64764, 66563, 80955, 85581, 95090, 107940, 114108, 133126, 142635, 161910, 171162, 190180, 199689, 266252, 285270, 323820, 332815, 342324, 399378, 427905, 570540, 599067, 665630, 798756, 855810, 998445, 1198134, 1331260, 1711620, 1996890, 2396268, 2995335, 3993780, 5990670, 11981340]

約数ペア:

[(1, 11981340), (2, 5990670), (3, 3993780), (4, 2995335), (5, 2396268), (6, 1996890), (7, 1711620), (9, 1331260), (10, 1198134), (12, 998445), (14, 855810), (15, 798756), (18, 665630), (20, 599067), (21, 570540), (28, 427905), (30, 399378), (35, 342324), (36, 332815), (37, 323820), (42, 285270), (45, 266252), (60, 199689), (63, 190180), (70, 171162), (74, 161910), (84, 142635), (90, 133126), (105, 114108), (111, 107940), (126, 95090), (140, 85581), (148, 80955), (180, 66563), (185, 64764), (210, 57054), (222, 53970), (252, 47545), (257, 46620), (259, 46260), (315, 38036), (333, 35980), (370, 32382), (420, 28527), (444, 26985), (514, 23310), (518, 23130), (555, 21588), (630, 19018), (666, 17990), (740, 16191), (771, 15540), (777, 15420), (1028, 11655), (1036, 11565), (1110, 10794), (1260, 9509), (1285, 9324), (1295, 9252), (1332, 8995), (1542, 7770), (1554, 7710), (1665, 7196), (1799, 6660), (2220, 5397), (2313, 5180), (2331, 5140), (2570, 4662), (2590, 4626), (3084, 3885), (3108, 3855), (3330, 3598)]