218653380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{110431}}^1$

素因数の和:110457

約数の個数: 72

約数和(自身を含む): 723550464

約数和(自身を除く): 504897084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 110431, 220862, 331293, 441724, 552155, 662586, 993879, 1104310, 1214741, 1325172, 1656465, 1987758, 2208620, 2429482, 3312930, 3644223, 3975516, 4858964, 4969395, 6073705, 6625860, 7288446, 9938790, 10932669, 12147410, 14576892, 18221115, 19877580, 21865338, 24294820, 36442230, 43730676, 54663345, 72884460, 109326690, 218653380]

約数ペア:

[(1, 218653380), (2, 109326690), (3, 72884460), (4, 54663345), (5, 43730676), (6, 36442230), (9, 24294820), (10, 21865338), (11, 19877580), (12, 18221115), (15, 14576892), (18, 12147410), (20, 10932669), (22, 9938790), (30, 7288446), (33, 6625860), (36, 6073705), (44, 4969395), (45, 4858964), (55, 3975516), (60, 3644223), (66, 3312930), (90, 2429482), (99, 2208620), (110, 1987758), (132, 1656465), (165, 1325172), (180, 1214741), (198, 1104310), (220, 993879), (330, 662586), (396, 552155), (495, 441724), (660, 331293), (990, 220862), (1980, 110431)]