16665880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:809

約数の個数: 96

約数和(自身を含む): 47647440

約数和(自身を除く): 30981560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 773, 980, 1078, 1540, 1546, 1960, 2156, 2695, 3080, 3092, 3865, 4312, 5390, 5411, 6184, 7730, 8503, 10780, 10822, 15460, 17006, 21560, 21644, 27055, 30920, 34012, 37877, 42515, 43288, 54110, 59521, 68024, 75754, 85030, 108220, 119042, 151508, 170060, 189385, 216440, 238084, 297605, 303016, 340120, 378770, 416647, 476168, 595210, 757540, 833294, 1190420, 1515080, 1666588, 2083235, 2380840, 3333176, 4166470, 8332940, 16665880]

約数ペア:

[(1, 16665880), (2, 8332940), (4, 4166470), (5, 3333176), (7, 2380840), (8, 2083235), (10, 1666588), (11, 1515080), (14, 1190420), (20, 833294), (22, 757540), (28, 595210), (35, 476168), (40, 416647), (44, 378770), (49, 340120), (55, 303016), (56, 297605), (70, 238084), (77, 216440), (88, 189385), (98, 170060), (110, 151508), (140, 119042), (154, 108220), (196, 85030), (220, 75754), (245, 68024), (280, 59521), (308, 54110), (385, 43288), (392, 42515), (440, 37877), (490, 34012), (539, 30920), (616, 27055), (770, 21644), (773, 21560), (980, 17006), (1078, 15460), (1540, 10822), (1546, 10780), (1960, 8503), (2156, 7730), (2695, 6184), (3080, 5411), (3092, 5390), (3865, 4312)]