65980920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 213523200

約数和(自身を除く): 147542280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 285, 344, 380, 430, 456, 516, 570, 645, 673, 760, 817, 860, 1032, 1140, 1290, 1346, 1634, 1720, 2019, 2280, 2451, 2580, 2692, 3268, 3365, 4038, 4085, 4902, 5160, 5384, 6536, 6730, 8076, 8170, 9804, 10095, 12255, 12787, 13460, 16152, 16340, 19608, 20190, 24510, 25574, 26920, 28939, 32680, 38361, 40380, 49020, 51148, 57878, 63935, 76722, 80760, 86817, 98040, 102296, 115756, 127870, 144695, 153444, 173634, 191805, 231512, 255740, 289390, 306888, 347268, 383610, 434085, 511480, 549841, 578780, 694536, 767220, 868170, 1099682, 1157560, 1534440, 1649523, 1736340, 2199364, 2749205, 3299046, 3472680, 4398728, 5498410, 6598092, 8247615, 10996820, 13196184, 16495230, 21993640, 32990460, 65980920]

約数ペア:

[(1, 65980920), (2, 32990460), (3, 21993640), (4, 16495230), (5, 13196184), (6, 10996820), (8, 8247615), (10, 6598092), (12, 5498410), (15, 4398728), (19, 3472680), (20, 3299046), (24, 2749205), (30, 2199364), (38, 1736340), (40, 1649523), (43, 1534440), (57, 1157560), (60, 1099682), (76, 868170), (86, 767220), (95, 694536), (114, 578780), (120, 549841), (129, 511480), (152, 434085), (172, 383610), (190, 347268), (215, 306888), (228, 289390), (258, 255740), (285, 231512), (344, 191805), (380, 173634), (430, 153444), (456, 144695), (516, 127870), (570, 115756), (645, 102296), (673, 98040), (760, 86817), (817, 80760), (860, 76722), (1032, 63935), (1140, 57878), (1290, 51148), (1346, 49020), (1634, 40380), (1720, 38361), (2019, 32680), (2280, 28939), (2451, 26920), (2580, 25574), (2692, 24510), (3268, 20190), (3365, 19608), (4038, 16340), (4085, 16152), (4902, 13460), (5160, 12787), (5384, 12255), (6536, 10095), (6730, 9804), (8076, 8170)]