81256230

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 158244570

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 109, 110, 135, 165, 198, 218, 251, 270, 297, 327, 330, 495, 502, 545, 594, 654, 753, 981, 990, 1090, 1199, 1255, 1485, 1506, 1635, 1962, 2259, 2398, 2510, 2761, 2943, 2970, 3270, 3597, 3765, 4518, 4905, 5522, 5886, 5995, 6777, 7194, 7530, 8283, 9810, 10791, 11295, 11990, 13554, 13805, 14715, 16566, 17985, 21582, 22590, 24849, 27359, 27610, 29430, 32373, 33885, 35970, 41415, 49698, 53955, 54718, 64746, 67770, 74547, 82077, 82830, 107910, 124245, 136795, 149094, 161865, 164154, 246231, 248490, 273590, 300949, 323730, 372735, 410385, 492462, 601898, 738693, 745470, 820770, 902847, 1231155, 1477386, 1504745, 1805694, 2462310, 2708541, 3009490, 3693465, 4514235, 5417082, 7386930, 8125623, 9028470, 13542705, 16251246, 27085410, 40628115, 81256230]

約数ペア:

[(1, 81256230), (2, 40628115), (3, 27085410), (5, 16251246), (6, 13542705), (9, 9028470), (10, 8125623), (11, 7386930), (15, 5417082), (18, 4514235), (22, 3693465), (27, 3009490), (30, 2708541), (33, 2462310), (45, 1805694), (54, 1504745), (55, 1477386), (66, 1231155), (90, 902847), (99, 820770), (109, 745470), (110, 738693), (135, 601898), (165, 492462), (198, 410385), (218, 372735), (251, 323730), (270, 300949), (297, 273590), (327, 248490), (330, 246231), (495, 164154), (502, 161865), (545, 149094), (594, 136795), (654, 124245), (753, 107910), (981, 82830), (990, 82077), (1090, 74547), (1199, 67770), (1255, 64746), (1485, 54718), (1506, 53955), (1635, 49698), (1962, 41415), (2259, 35970), (2398, 33885), (2510, 32373), (2761, 29430), (2943, 27610), (2970, 27359), (3270, 24849), (3597, 22590), (3765, 21582), (4518, 17985), (4905, 16566), (5522, 14715), (5886, 13805), (5995, 13554), (6777, 11990), (7194, 11295), (7530, 10791), (8283, 9810)]