181275840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{20981}}^1$

素因数の和:21007

約数の個数: 112

約数和(自身を含む): 639531360

約数和(自身を除く): 458255520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 20981, 41962, 62943, 83924, 104905, 125886, 167848, 188829, 209810, 251772, 314715, 335696, 377658, 419620, 503544, 566487, 629430, 671392, 755316, 839240, 944145, 1007088, 1132974, 1258860, 1342784, 1510632, 1678480, 1888290, 2014176, 2265948, 2517720, 2832435, 3021264, 3356960, 3776580, 4028352, 4531896, 5035440, 5664870, 6042528, 6713920, 7553160, 9063792, 10070880, 11329740, 12085056, 15106320, 18127584, 20141760, 22659480, 30212640, 36255168, 45318960, 60425280, 90637920, 181275840]

約数ペア:

[(1, 181275840), (2, 90637920), (3, 60425280), (4, 45318960), (5, 36255168), (6, 30212640), (8, 22659480), (9, 20141760), (10, 18127584), (12, 15106320), (15, 12085056), (16, 11329740), (18, 10070880), (20, 9063792), (24, 7553160), (27, 6713920), (30, 6042528), (32, 5664870), (36, 5035440), (40, 4531896), (45, 4028352), (48, 3776580), (54, 3356960), (60, 3021264), (64, 2832435), (72, 2517720), (80, 2265948), (90, 2014176), (96, 1888290), (108, 1678480), (120, 1510632), (135, 1342784), (144, 1258860), (160, 1132974), (180, 1007088), (192, 944145), (216, 839240), (240, 755316), (270, 671392), (288, 629430), (320, 566487), (360, 503544), (432, 419620), (480, 377658), (540, 335696), (576, 314715), (720, 251772), (864, 209810), (960, 188829), (1080, 167848), (1440, 125886), (1728, 104905), (2160, 83924), (2880, 62943), (4320, 41962), (8640, 20981)]