16915140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8543}}^1$

素因数の和:8569

約数の個数: 72

約数和(自身を含む): 55980288

約数和(自身を除く): 39065148

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, 8543, 17086, 25629, 34172, 42715, 51258, 76887, 85430, 93973, 102516, 128145, 153774, 170860, 187946, 256290, 281919, 307548, 375892, 384435, 469865, 512580, 563838, 768870, 845757, 939730, 1127676, 1409595, 1537740, 1691514, 1879460, 2819190, 3383028, 4228785, 5638380, 8457570, 16915140]

約数ペア:

[(1, 16915140), (2, 8457570), (3, 5638380), (4, 4228785), (5, 3383028), (6, 2819190), (9, 1879460), (10, 1691514), (11, 1537740), (12, 1409595), (15, 1127676), (18, 939730), (20, 845757), (22, 768870), (30, 563838), (33, 512580), (36, 469865), (44, 384435), (45, 375892), (55, 307548), (60, 281919), (66, 256290), (90, 187946), (99, 170860), (110, 153774), (132, 128145), (165, 102516), (180, 93973), (198, 85430), (220, 76887), (330, 51258), (396, 42715), (495, 34172), (660, 25629), (990, 17086), (1980, 8543)]