247147560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:616

約数の個数: 192

約数和(自身を含む): 884520000

約数和(自身を除く): 637372440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 139, 165, 180, 198, 220, 264, 278, 330, 360, 396, 417, 440, 449, 495, 556, 660, 695, 792, 834, 898, 990, 1112, 1251, 1320, 1347, 1390, 1529, 1668, 1796, 1980, 2085, 2245, 2502, 2694, 2780, 3058, 3336, 3592, 3960, 4041, 4170, 4490, 4587, 4939, 5004, 5388, 5560, 6116, 6255, 6735, 7645, 8082, 8340, 8980, 9174, 9878, 10008, 10776, 12232, 12510, 13470, 13761, 14817, 15290, 16164, 16680, 17960, 18348, 19756, 20205, 22935, 24695, 25020, 26940, 27522, 29634, 30580, 32328, 36696, 39512, 40410, 44451, 45870, 49390, 50040, 53880, 55044, 59268, 61160, 62411, 68805, 74085, 80820, 88902, 91740, 98780, 110088, 118536, 124822, 137610, 148170, 161640, 177804, 183480, 187233, 197560, 222255, 249644, 275220, 296340, 312055, 355608, 374466, 444510, 499288, 550440, 561699, 592680, 624110, 686521, 748932, 889020, 936165, 1123398, 1248220, 1373042, 1497864, 1778040, 1872330, 2059563, 2246796, 2496440, 2746084, 2808495, 3432605, 3744660, 4119126, 4493592, 5492168, 5616990, 6178689, 6865210, 7489320, 8238252, 10297815, 11233980, 12357378, 13730420, 16476504, 20595630, 22467960, 24714756, 27460840, 30893445, 41191260, 49429512, 61786890, 82382520, 123573780, 247147560]

約数ペア:

[(1, 247147560), (2, 123573780), (3, 82382520), (4, 61786890), (5, 49429512), (6, 41191260), (8, 30893445), (9, 27460840), (10, 24714756), (11, 22467960), (12, 20595630), (15, 16476504), (18, 13730420), (20, 12357378), (22, 11233980), (24, 10297815), (30, 8238252), (33, 7489320), (36, 6865210), (40, 6178689), (44, 5616990), (45, 5492168), (55, 4493592), (60, 4119126), (66, 3744660), (72, 3432605), (88, 2808495), (90, 2746084), (99, 2496440), (110, 2246796), (120, 2059563), (132, 1872330), (139, 1778040), (165, 1497864), (180, 1373042), (198, 1248220), (220, 1123398), (264, 936165), (278, 889020), (330, 748932), (360, 686521), (396, 624110), (417, 592680), (440, 561699), (449, 550440), (495, 499288), (556, 444510), (660, 374466), (695, 355608), (792, 312055), (834, 296340), (898, 275220), (990, 249644), (1112, 222255), (1251, 197560), (1320, 187233), (1347, 183480), (1390, 177804), (1529, 161640), (1668, 148170), (1796, 137610), (1980, 124822), (2085, 118536), (2245, 110088), (2502, 98780), (2694, 91740), (2780, 88902), (3058, 80820), (3336, 74085), (3592, 68805), (3960, 62411), (4041, 61160), (4170, 59268), (4490, 55044), (4587, 53880), (4939, 50040), (5004, 49390), (5388, 45870), (5560, 44451), (6116, 40410), (6255, 39512), (6735, 36696), (7645, 32328), (8082, 30580), (8340, 29634), (8980, 27522), (9174, 26940), (9878, 25020), (10008, 24695), (10776, 22935), (12232, 20205), (12510, 19756), (13470, 18348), (13761, 17960), (14817, 16680), (15290, 16164)]