81386160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10939}}^1$

素因数の和:10986

約数の個数: 80

約数和(自身を含む): 260459520

約数和(自身を除く): 179073360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 10939, 21878, 32817, 43756, 54695, 65634, 87512, 109390, 131268, 164085, 175024, 218780, 262536, 328170, 339109, 437560, 525072, 656340, 678218, 875120, 1017327, 1312680, 1356436, 1695545, 2034654, 2625360, 2712872, 3391090, 4069308, 5086635, 5425744, 6782180, 8138616, 10173270, 13564360, 16277232, 20346540, 27128720, 40693080, 81386160]

約数ペア:

[(1, 81386160), (2, 40693080), (3, 27128720), (4, 20346540), (5, 16277232), (6, 13564360), (8, 10173270), (10, 8138616), (12, 6782180), (15, 5425744), (16, 5086635), (20, 4069308), (24, 3391090), (30, 2712872), (31, 2625360), (40, 2034654), (48, 1695545), (60, 1356436), (62, 1312680), (80, 1017327), (93, 875120), (120, 678218), (124, 656340), (155, 525072), (186, 437560), (240, 339109), (248, 328170), (310, 262536), (372, 218780), (465, 175024), (496, 164085), (620, 131268), (744, 109390), (930, 87512), (1240, 65634), (1488, 54695), (1860, 43756), (2480, 32817), (3720, 21878), (7440, 10939)]