281460240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{907}}^1$

素因数の和:1357

約数の個数: 120

約数和(自身を含む): 948475008

約数和(自身を除く): 667014768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 431, 720, 862, 907, 1293, 1724, 1814, 2155, 2586, 2721, 3448, 3628, 3879, 4310, 4535, 5172, 5442, 6465, 6896, 7256, 7758, 8163, 8620, 9070, 10344, 10884, 12930, 13605, 14512, 15516, 16326, 17240, 18140, 19395, 20688, 21768, 25860, 27210, 31032, 32652, 34480, 36280, 38790, 40815, 43536, 51720, 54420, 62064, 65304, 72560, 77580, 81630, 103440, 108840, 130608, 155160, 163260, 217680, 310320, 326520, 390917, 653040, 781834, 1172751, 1563668, 1954585, 2345502, 3127336, 3518253, 3909170, 4691004, 5863755, 6254672, 7036506, 7818340, 9382008, 11727510, 14073012, 15636680, 17591265, 18764016, 23455020, 28146024, 31273360, 35182530, 46910040, 56292048, 70365060, 93820080, 140730120, 281460240]

約数ペア:

[(1, 281460240), (2, 140730120), (3, 93820080), (4, 70365060), (5, 56292048), (6, 46910040), (8, 35182530), (9, 31273360), (10, 28146024), (12, 23455020), (15, 18764016), (16, 17591265), (18, 15636680), (20, 14073012), (24, 11727510), (30, 9382008), (36, 7818340), (40, 7036506), (45, 6254672), (48, 5863755), (60, 4691004), (72, 3909170), (80, 3518253), (90, 3127336), (120, 2345502), (144, 1954585), (180, 1563668), (240, 1172751), (360, 781834), (431, 653040), (720, 390917), (862, 326520), (907, 310320), (1293, 217680), (1724, 163260), (1814, 155160), (2155, 130608), (2586, 108840), (2721, 103440), (3448, 81630), (3628, 77580), (3879, 72560), (4310, 65304), (4535, 62064), (5172, 54420), (5442, 51720), (6465, 43536), (6896, 40815), (7256, 38790), (7758, 36280), (8163, 34480), (8620, 32652), (9070, 31032), (10344, 27210), (10884, 25860), (12930, 21768), (13605, 20688), (14512, 19395), (15516, 18140), (16326, 17240)]