81540756

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 235642176

約数和(自身を除く): 154101420

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 137, 162, 167, 198, 274, 297, 324, 334, 396, 411, 501, 548, 594, 668, 822, 891, 1002, 1188, 1233, 1503, 1507, 1644, 1782, 1837, 2004, 2466, 3006, 3014, 3564, 3674, 3699, 4509, 4521, 4932, 5511, 6012, 6028, 7348, 7398, 9018, 9042, 11022, 11097, 13527, 13563, 14796, 16533, 18036, 18084, 22044, 22194, 22879, 27054, 27126, 33066, 40689, 44388, 45758, 49599, 54108, 54252, 66132, 68637, 81378, 91516, 99198, 122067, 137274, 148797, 162756, 198396, 205911, 244134, 251669, 274548, 297594, 411822, 488268, 503338, 595188, 617733, 755007, 823644, 1006676, 1235466, 1510014, 1853199, 2265021, 2470932, 3020028, 3706398, 4530042, 6795063, 7412796, 9060084, 13590126, 20385189, 27180252, 40770378, 81540756]

約数ペア:

[(1, 81540756), (2, 40770378), (3, 27180252), (4, 20385189), (6, 13590126), (9, 9060084), (11, 7412796), (12, 6795063), (18, 4530042), (22, 3706398), (27, 3020028), (33, 2470932), (36, 2265021), (44, 1853199), (54, 1510014), (66, 1235466), (81, 1006676), (99, 823644), (108, 755007), (132, 617733), (137, 595188), (162, 503338), (167, 488268), (198, 411822), (274, 297594), (297, 274548), (324, 251669), (334, 244134), (396, 205911), (411, 198396), (501, 162756), (548, 148797), (594, 137274), (668, 122067), (822, 99198), (891, 91516), (1002, 81378), (1188, 68637), (1233, 66132), (1503, 54252), (1507, 54108), (1644, 49599), (1782, 45758), (1837, 44388), (2004, 40689), (2466, 33066), (3006, 27126), (3014, 27054), (3564, 22879), (3674, 22194), (3699, 22044), (4509, 18084), (4521, 18036), (4932, 16533), (5511, 14796), (6012, 13563), (6028, 13527), (7348, 11097), (7398, 11022), (9018, 9042)]