278523240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{136531}}^1$

素因数の和:136562

約数の個数: 64

約数和(自身を含む): 884727360

約数和(自身を除く): 606204120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 136531, 273062, 409593, 546124, 682655, 819186, 1092248, 1365310, 1638372, 2047965, 2321027, 2730620, 3276744, 4095930, 4642054, 5461240, 6963081, 8191860, 9284108, 11605135, 13926162, 16383720, 18568216, 23210270, 27852324, 34815405, 46420540, 55704648, 69630810, 92841080, 139261620, 278523240]

約数ペア:

[(1, 278523240), (2, 139261620), (3, 92841080), (4, 69630810), (5, 55704648), (6, 46420540), (8, 34815405), (10, 27852324), (12, 23210270), (15, 18568216), (17, 16383720), (20, 13926162), (24, 11605135), (30, 9284108), (34, 8191860), (40, 6963081), (51, 5461240), (60, 4642054), (68, 4095930), (85, 3276744), (102, 2730620), (120, 2321027), (136, 2047965), (170, 1638372), (204, 1365310), (255, 1092248), (340, 819186), (408, 682655), (510, 546124), (680, 409593), (1020, 273062), (2040, 136531)]