279582240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11887}}^1$

素因数の和:11919

約数の個数: 144

約数和(自身を含む): 1024555392

約数和(自身を除く): 744973152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 11887, 23520, 23774, 35661, 47548, 59435, 71322, 83209, 95096, 118870, 142644, 166418, 178305, 190192, 237740, 249627, 285288, 332836, 356610, 380384, 416045, 475480, 499254, 570576, 582463, 665672, 713220, 832090, 950960, 998508, 1141152, 1164926, 1248135, 1331344, 1426440, 1664180, 1747389, 1901920, 1997016, 2329852, 2496270, 2662688, 2852880, 2912315, 3328360, 3494778, 3994032, 4659704, 4992540, 5705760, 5824630, 6656720, 6989556, 7988064, 8736945, 9319408, 9985080, 11649260, 13313440, 13979112, 17473890, 18638816, 19970160, 23298520, 27958224, 34947780, 39940320, 46597040, 55916448, 69895560, 93194080, 139791120, 279582240]

約数ペア:

[(1, 279582240), (2, 139791120), (3, 93194080), (4, 69895560), (5, 55916448), (6, 46597040), (7, 39940320), (8, 34947780), (10, 27958224), (12, 23298520), (14, 19970160), (15, 18638816), (16, 17473890), (20, 13979112), (21, 13313440), (24, 11649260), (28, 9985080), (30, 9319408), (32, 8736945), (35, 7988064), (40, 6989556), (42, 6656720), (48, 5824630), (49, 5705760), (56, 4992540), (60, 4659704), (70, 3994032), (80, 3494778), (84, 3328360), (96, 2912315), (98, 2852880), (105, 2662688), (112, 2496270), (120, 2329852), (140, 1997016), (147, 1901920), (160, 1747389), (168, 1664180), (196, 1426440), (210, 1331344), (224, 1248135), (240, 1164926), (245, 1141152), (280, 998508), (294, 950960), (336, 832090), (392, 713220), (420, 665672), (480, 582463), (490, 570576), (560, 499254), (588, 475480), (672, 416045), (735, 380384), (784, 356610), (840, 332836), (980, 285288), (1120, 249627), (1176, 237740), (1470, 190192), (1568, 178305), (1680, 166418), (1960, 142644), (2352, 118870), (2940, 95096), (3360, 83209), (3920, 71322), (4704, 59435), (5880, 47548), (7840, 35661), (11760, 23774), (11887, 23520)]