81617730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 214488000

約数和(自身を除く): 132870270

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 149, 155, 186, 190, 285, 298, 310, 447, 465, 570, 589, 745, 894, 930, 961, 1178, 1490, 1767, 1922, 2235, 2831, 2883, 2945, 3534, 4470, 4619, 4805, 5662, 5766, 5890, 8493, 8835, 9238, 9610, 13857, 14155, 14415, 16986, 17670, 18259, 23095, 27714, 28310, 28830, 36518, 42465, 46190, 54777, 69285, 84930, 87761, 91295, 109554, 138570, 143189, 175522, 182590, 263283, 273885, 286378, 429567, 438805, 526566, 547770, 715945, 859134, 877610, 1316415, 1431890, 2147835, 2632830, 2720591, 4295670, 5441182, 8161773, 13602955, 16323546, 27205910, 40808865, 81617730]

約数ペア:

[(1, 81617730), (2, 40808865), (3, 27205910), (5, 16323546), (6, 13602955), (10, 8161773), (15, 5441182), (19, 4295670), (30, 2720591), (31, 2632830), (38, 2147835), (57, 1431890), (62, 1316415), (93, 877610), (95, 859134), (114, 715945), (149, 547770), (155, 526566), (186, 438805), (190, 429567), (285, 286378), (298, 273885), (310, 263283), (447, 182590), (465, 175522), (570, 143189), (589, 138570), (745, 109554), (894, 91295), (930, 87761), (961, 84930), (1178, 69285), (1490, 54777), (1767, 46190), (1922, 42465), (2235, 36518), (2831, 28830), (2883, 28310), (2945, 27714), (3534, 23095), (4470, 18259), (4619, 17670), (4805, 16986), (5662, 14415), (5766, 14155), (5890, 13857), (8493, 9610), (8835, 9238)]