81694620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2819}}^1$

素因数の和:2864

約数の個数: 144

約数和(自身を含む): 295626240

約数和(自身を除く): 213931620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2819, 2898, 3220, 4140, 4830, 5638, 5796, 7245, 8457, 9660, 11276, 14095, 14490, 16914, 19733, 25371, 28190, 28980, 33828, 39466, 42285, 50742, 56380, 59199, 64837, 78932, 84570, 98665, 101484, 118398, 126855, 129674, 169140, 177597, 194511, 197330, 236796, 253710, 259348, 295995, 324185, 355194, 389022, 394660, 453859, 507420, 583533, 591990, 648370, 710388, 778044, 887985, 907718, 972555, 1167066, 1183980, 1296740, 1361577, 1775970, 1815436, 1945110, 2269295, 2334132, 2723154, 2917665, 3551940, 3890220, 4084731, 4538590, 5446308, 5835330, 6807885, 8169462, 9077180, 11670660, 13615770, 16338924, 20423655, 27231540, 40847310, 81694620]

約数ペア:

[(1, 81694620), (2, 40847310), (3, 27231540), (4, 20423655), (5, 16338924), (6, 13615770), (7, 11670660), (9, 9077180), (10, 8169462), (12, 6807885), (14, 5835330), (15, 5446308), (18, 4538590), (20, 4084731), (21, 3890220), (23, 3551940), (28, 2917665), (30, 2723154), (35, 2334132), (36, 2269295), (42, 1945110), (45, 1815436), (46, 1775970), (60, 1361577), (63, 1296740), (69, 1183980), (70, 1167066), (84, 972555), (90, 907718), (92, 887985), (105, 778044), (115, 710388), (126, 648370), (138, 591990), (140, 583533), (161, 507420), (180, 453859), (207, 394660), (210, 389022), (230, 355194), (252, 324185), (276, 295995), (315, 259348), (322, 253710), (345, 236796), (414, 197330), (420, 194511), (460, 177597), (483, 169140), (630, 129674), (644, 126855), (690, 118398), (805, 101484), (828, 98665), (966, 84570), (1035, 78932), (1260, 64837), (1380, 59199), (1449, 56380), (1610, 50742), (1932, 42285), (2070, 39466), (2415, 33828), (2819, 28980), (2898, 28190), (3220, 25371), (4140, 19733), (4830, 16914), (5638, 14490), (5796, 14095), (7245, 11276), (8457, 9660)]