278396640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1877}}^1$

素因数の和:2001

約数の個数: 144

約数和(自身を含む): 959763168

約数和(自身を除く): 681366528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 103, 120, 144, 160, 180, 206, 240, 288, 309, 360, 412, 480, 515, 618, 720, 824, 927, 1030, 1236, 1440, 1545, 1648, 1854, 1877, 2060, 2472, 3090, 3296, 3708, 3754, 4120, 4635, 4944, 5631, 6180, 7416, 7508, 8240, 9270, 9385, 9888, 11262, 12360, 14832, 15016, 16480, 16893, 18540, 18770, 22524, 24720, 28155, 29664, 30032, 33786, 37080, 37540, 45048, 49440, 56310, 60064, 67572, 74160, 75080, 84465, 90096, 112620, 135144, 148320, 150160, 168930, 180192, 193331, 225240, 270288, 300320, 337860, 386662, 450480, 540576, 579993, 675720, 773324, 900960, 966655, 1159986, 1351440, 1546648, 1739979, 1933310, 2319972, 2702880, 2899965, 3093296, 3479958, 3866620, 4639944, 5799930, 6186592, 6959916, 7733240, 8699895, 9279888, 11599860, 13919832, 15466480, 17399790, 18559776, 23199720, 27839664, 30932960, 34799580, 46399440, 55679328, 69599160, 92798880, 139198320, 278396640]

約数ペア:

[(1, 278396640), (2, 139198320), (3, 92798880), (4, 69599160), (5, 55679328), (6, 46399440), (8, 34799580), (9, 30932960), (10, 27839664), (12, 23199720), (15, 18559776), (16, 17399790), (18, 15466480), (20, 13919832), (24, 11599860), (30, 9279888), (32, 8699895), (36, 7733240), (40, 6959916), (45, 6186592), (48, 5799930), (60, 4639944), (72, 3866620), (80, 3479958), (90, 3093296), (96, 2899965), (103, 2702880), (120, 2319972), (144, 1933310), (160, 1739979), (180, 1546648), (206, 1351440), (240, 1159986), (288, 966655), (309, 900960), (360, 773324), (412, 675720), (480, 579993), (515, 540576), (618, 450480), (720, 386662), (824, 337860), (927, 300320), (1030, 270288), (1236, 225240), (1440, 193331), (1545, 180192), (1648, 168930), (1854, 150160), (1877, 148320), (2060, 135144), (2472, 112620), (3090, 90096), (3296, 84465), (3708, 75080), (3754, 74160), (4120, 67572), (4635, 60064), (4944, 56310), (5631, 49440), (6180, 45048), (7416, 37540), (7508, 37080), (8240, 33786), (9270, 30032), (9385, 29664), (9888, 28155), (11262, 24720), (12360, 22524), (14832, 18770), (15016, 18540), (16480, 16893)]