780398520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1901}}^1$

素因数の和:2237

約数の個数: 128

約数和(自身を含む): 2563591680

約数和(自身を除く): 1783193160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 311, 330, 440, 622, 660, 933, 1244, 1320, 1555, 1866, 1901, 2488, 3110, 3421, 3732, 3802, 4665, 5703, 6220, 6842, 7464, 7604, 9330, 9505, 10263, 11406, 12440, 13684, 15208, 17105, 18660, 19010, 20526, 20911, 22812, 27368, 28515, 34210, 37320, 38020, 41052, 41822, 45624, 51315, 57030, 62733, 68420, 76040, 82104, 83644, 102630, 104555, 114060, 125466, 136840, 167288, 205260, 209110, 228120, 250932, 313665, 410520, 418220, 501864, 591211, 627330, 836440, 1182422, 1254660, 1773633, 2364844, 2509320, 2956055, 3547266, 4729688, 5912110, 6503321, 7094532, 8868165, 11824220, 13006642, 14189064, 17736330, 19509963, 23648440, 26013284, 32516605, 35472660, 39019926, 52026568, 65033210, 70945320, 78039852, 97549815, 130066420, 156079704, 195099630, 260132840, 390199260, 780398520]

約数ペア:

[(1, 780398520), (2, 390199260), (3, 260132840), (4, 195099630), (5, 156079704), (6, 130066420), (8, 97549815), (10, 78039852), (11, 70945320), (12, 65033210), (15, 52026568), (20, 39019926), (22, 35472660), (24, 32516605), (30, 26013284), (33, 23648440), (40, 19509963), (44, 17736330), (55, 14189064), (60, 13006642), (66, 11824220), (88, 8868165), (110, 7094532), (120, 6503321), (132, 5912110), (165, 4729688), (220, 3547266), (264, 2956055), (311, 2509320), (330, 2364844), (440, 1773633), (622, 1254660), (660, 1182422), (933, 836440), (1244, 627330), (1320, 591211), (1555, 501864), (1866, 418220), (1901, 410520), (2488, 313665), (3110, 250932), (3421, 228120), (3732, 209110), (3802, 205260), (4665, 167288), (5703, 136840), (6220, 125466), (6842, 114060), (7464, 104555), (7604, 102630), (9330, 83644), (9505, 82104), (10263, 76040), (11406, 68420), (12440, 62733), (13684, 57030), (15208, 51315), (17105, 45624), (18660, 41822), (19010, 41052), (20526, 38020), (20911, 37320), (22812, 34210), (27368, 28515)]