1440808820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1499}}^1$

素因数の和:1793

約数の個数: 96

約数和(自身を含む): 3510864000

約数和(自身を除く): 2070055180

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 257, 340, 374, 514, 748, 935, 1028, 1285, 1499, 1870, 2570, 2827, 2998, 3740, 4369, 5140, 5654, 5996, 7495, 8738, 11308, 14135, 14990, 16489, 17476, 21845, 25483, 28270, 29980, 32978, 43690, 48059, 50966, 56540, 65956, 82445, 87380, 96118, 101932, 127415, 164890, 192236, 240295, 254830, 280313, 329780, 385243, 480590, 509660, 560626, 770486, 961180, 1121252, 1401565, 1540972, 1926215, 2803130, 3852430, 4237673, 5606260, 6549131, 7704860, 8475346, 13098262, 16950692, 21188365, 26196524, 32745655, 42376730, 65491310, 72040441, 84753460, 130982620, 144080882, 288161764, 360202205, 720404410, 1440808820]

約数ペア:

[(1, 1440808820), (2, 720404410), (4, 360202205), (5, 288161764), (10, 144080882), (11, 130982620), (17, 84753460), (20, 72040441), (22, 65491310), (34, 42376730), (44, 32745655), (55, 26196524), (68, 21188365), (85, 16950692), (110, 13098262), (170, 8475346), (187, 7704860), (220, 6549131), (257, 5606260), (340, 4237673), (374, 3852430), (514, 2803130), (748, 1926215), (935, 1540972), (1028, 1401565), (1285, 1121252), (1499, 961180), (1870, 770486), (2570, 560626), (2827, 509660), (2998, 480590), (3740, 385243), (4369, 329780), (5140, 280313), (5654, 254830), (5996, 240295), (7495, 192236), (8738, 164890), (11308, 127415), (14135, 101932), (14990, 96118), (16489, 87380), (17476, 82445), (21845, 65956), (25483, 56540), (28270, 50966), (29980, 48059), (32978, 43690)]