51378960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2207}}^1$

素因数の和:2320

約数の個数: 80

約数和(自身を含む): 160989696

約数和(自身を除く): 109610736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2207, 2328, 2910, 3880, 4414, 4656, 5820, 6621, 7760, 8828, 11035, 11640, 13242, 17656, 22070, 23280, 26484, 33105, 35312, 44140, 52968, 66210, 88280, 105936, 132420, 176560, 214079, 264840, 428158, 529680, 642237, 856316, 1070395, 1284474, 1712632, 2140790, 2568948, 3211185, 3425264, 4281580, 5137896, 6422370, 8563160, 10275792, 12844740, 17126320, 25689480, 51378960]

約数ペア:

[(1, 51378960), (2, 25689480), (3, 17126320), (4, 12844740), (5, 10275792), (6, 8563160), (8, 6422370), (10, 5137896), (12, 4281580), (15, 3425264), (16, 3211185), (20, 2568948), (24, 2140790), (30, 1712632), (40, 1284474), (48, 1070395), (60, 856316), (80, 642237), (97, 529680), (120, 428158), (194, 264840), (240, 214079), (291, 176560), (388, 132420), (485, 105936), (582, 88280), (776, 66210), (970, 52968), (1164, 44140), (1455, 35312), (1552, 33105), (1940, 26484), (2207, 23280), (2328, 22070), (2910, 17656), (3880, 13242), (4414, 11640), (4656, 11035), (5820, 8828), (6621, 7760)]