80828880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1801}}^1$

素因数の和:1845

約数の個数: 160

約数和(自身を含む): 289588608

約数和(自身を除く): 208759728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 132, 136, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 374, 408, 440, 510, 528, 561, 660, 680, 748, 816, 880, 935, 1020, 1122, 1320, 1360, 1496, 1801, 1870, 2040, 2244, 2640, 2805, 2992, 3602, 3740, 4080, 4488, 5403, 5610, 7204, 7480, 8976, 9005, 10806, 11220, 14408, 14960, 18010, 19811, 21612, 22440, 27015, 28816, 30617, 36020, 39622, 43224, 44880, 54030, 59433, 61234, 72040, 79244, 86448, 91851, 99055, 108060, 118866, 122468, 144080, 153085, 158488, 183702, 198110, 216120, 237732, 244936, 297165, 306170, 316976, 336787, 367404, 396220, 432240, 459255, 475464, 489872, 594330, 612340, 673574, 734808, 792440, 918510, 950928, 1010361, 1188660, 1224680, 1347148, 1469616, 1584880, 1683935, 1837020, 2020722, 2377320, 2449360, 2694296, 3367870, 3674040, 4041444, 4754640, 5051805, 5388592, 6735740, 7348080, 8082888, 10103610, 13471480, 16165776, 20207220, 26942960, 40414440, 80828880]

約数ペア:

[(1, 80828880), (2, 40414440), (3, 26942960), (4, 20207220), (5, 16165776), (6, 13471480), (8, 10103610), (10, 8082888), (11, 7348080), (12, 6735740), (15, 5388592), (16, 5051805), (17, 4754640), (20, 4041444), (22, 3674040), (24, 3367870), (30, 2694296), (33, 2449360), (34, 2377320), (40, 2020722), (44, 1837020), (48, 1683935), (51, 1584880), (55, 1469616), (60, 1347148), (66, 1224680), (68, 1188660), (80, 1010361), (85, 950928), (88, 918510), (102, 792440), (110, 734808), (120, 673574), (132, 612340), (136, 594330), (165, 489872), (170, 475464), (176, 459255), (187, 432240), (204, 396220), (220, 367404), (240, 336787), (255, 316976), (264, 306170), (272, 297165), (330, 244936), (340, 237732), (374, 216120), (408, 198110), (440, 183702), (510, 158488), (528, 153085), (561, 144080), (660, 122468), (680, 118866), (748, 108060), (816, 99055), (880, 91851), (935, 86448), (1020, 79244), (1122, 72040), (1320, 61234), (1360, 59433), (1496, 54030), (1801, 44880), (1870, 43224), (2040, 39622), (2244, 36020), (2640, 30617), (2805, 28816), (2992, 27015), (3602, 22440), (3740, 21612), (4080, 19811), (4488, 18010), (5403, 14960), (5610, 14408), (7204, 11220), (7480, 10806), (8976, 9005)]