61305020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1213}}^1$

素因数の和:1267

約数の個数: 72

約数和(自身を含む): 155411424

約数和(自身を除く): 94106404

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1213, 1330, 1444, 1805, 2426, 2527, 2660, 3610, 4852, 5054, 6065, 7220, 8491, 10108, 12130, 12635, 16982, 23047, 24260, 25270, 33964, 42455, 46094, 50540, 84910, 92188, 115235, 161329, 169820, 230470, 322658, 437893, 460940, 645316, 806645, 875786, 1613290, 1751572, 2189465, 3065251, 3226580, 4378930, 6130502, 8757860, 12261004, 15326255, 30652510, 61305020]

約数ペア:

[(1, 61305020), (2, 30652510), (4, 15326255), (5, 12261004), (7, 8757860), (10, 6130502), (14, 4378930), (19, 3226580), (20, 3065251), (28, 2189465), (35, 1751572), (38, 1613290), (70, 875786), (76, 806645), (95, 645316), (133, 460940), (140, 437893), (190, 322658), (266, 230470), (361, 169820), (380, 161329), (532, 115235), (665, 92188), (722, 84910), (1213, 50540), (1330, 46094), (1444, 42455), (1805, 33964), (2426, 25270), (2527, 24260), (2660, 23047), (3610, 16982), (4852, 12635), (5054, 12130), (6065, 10108), (7220, 8491)]