278354160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55229}}^1$

素因数の和:55255

約数の個数: 120

約数和(自身を含む): 1068369120

約数和(自身を除く): 790014960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 55229, 110458, 165687, 220916, 276145, 331374, 386603, 441832, 497061, 552290, 662748, 773206, 828435, 883664, 994122, 1104580, 1159809, 1325496, 1546412, 1656870, 1933015, 1988244, 2209160, 2319618, 2485305, 2650992, 3092824, 3313740, 3479427, 3866030, 3976488, 4418320, 4639236, 4970610, 5799045, 6185648, 6627480, 6958854, 7732060, 7952976, 9278472, 9941220, 11598090, 13254960, 13917708, 15464120, 17397135, 18556944, 19882440, 23196180, 27835416, 30928240, 34794270, 39764880, 46392360, 55670832, 69588540, 92784720, 139177080, 278354160]

約数ペア:

[(1, 278354160), (2, 139177080), (3, 92784720), (4, 69588540), (5, 55670832), (6, 46392360), (7, 39764880), (8, 34794270), (9, 30928240), (10, 27835416), (12, 23196180), (14, 19882440), (15, 18556944), (16, 17397135), (18, 15464120), (20, 13917708), (21, 13254960), (24, 11598090), (28, 9941220), (30, 9278472), (35, 7952976), (36, 7732060), (40, 6958854), (42, 6627480), (45, 6185648), (48, 5799045), (56, 4970610), (60, 4639236), (63, 4418320), (70, 3976488), (72, 3866030), (80, 3479427), (84, 3313740), (90, 3092824), (105, 2650992), (112, 2485305), (120, 2319618), (126, 2209160), (140, 1988244), (144, 1933015), (168, 1656870), (180, 1546412), (210, 1325496), (240, 1159809), (252, 1104580), (280, 994122), (315, 883664), (336, 828435), (360, 773206), (420, 662748), (504, 552290), (560, 497061), (630, 441832), (720, 386603), (840, 331374), (1008, 276145), (1260, 220916), (1680, 165687), (2520, 110458), (5040, 55229)]