61657760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{401}}^1$

素因数の和:478

約数の個数: 72

約数和(自身を含む): 150892308

約数和(自身を除く): 89234548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 401, 496, 620, 802, 961, 992, 1240, 1604, 1922, 2005, 2480, 3208, 3844, 4010, 4805, 4960, 6416, 7688, 8020, 9610, 12431, 12832, 15376, 16040, 19220, 24862, 30752, 32080, 38440, 49724, 62155, 64160, 76880, 99448, 124310, 153760, 198896, 248620, 385361, 397792, 497240, 770722, 994480, 1541444, 1926805, 1988960, 3082888, 3853610, 6165776, 7707220, 12331552, 15414440, 30828880, 61657760]

約数ペア:

[(1, 61657760), (2, 30828880), (4, 15414440), (5, 12331552), (8, 7707220), (10, 6165776), (16, 3853610), (20, 3082888), (31, 1988960), (32, 1926805), (40, 1541444), (62, 994480), (80, 770722), (124, 497240), (155, 397792), (160, 385361), (248, 248620), (310, 198896), (401, 153760), (496, 124310), (620, 99448), (802, 76880), (961, 64160), (992, 62155), (1240, 49724), (1604, 38440), (1922, 32080), (2005, 30752), (2480, 24862), (3208, 19220), (3844, 16040), (4010, 15376), (4805, 12832), (4960, 12431), (6416, 9610), (7688, 8020)]