30018996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 87447360

約数和(自身を除く): 57428364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 857, 973, 1251, 1668, 1714, 1946, 2502, 2571, 2919, 3428, 3892, 5004, 5142, 5838, 5999, 7713, 8757, 10284, 11676, 11998, 15426, 17514, 17997, 23996, 30852, 35028, 35994, 53991, 71988, 107982, 119123, 215964, 238246, 357369, 476492, 714738, 833861, 1072107, 1429476, 1667722, 2144214, 2501583, 3335444, 4288428, 5003166, 7504749, 10006332, 15009498, 30018996]

約数ペア:

[(1, 30018996), (2, 15009498), (3, 10006332), (4, 7504749), (6, 5003166), (7, 4288428), (9, 3335444), (12, 2501583), (14, 2144214), (18, 1667722), (21, 1429476), (28, 1072107), (36, 833861), (42, 714738), (63, 476492), (84, 357369), (126, 238246), (139, 215964), (252, 119123), (278, 107982), (417, 71988), (556, 53991), (834, 35994), (857, 35028), (973, 30852), (1251, 23996), (1668, 17997), (1714, 17514), (1946, 15426), (2502, 11998), (2571, 11676), (2919, 10284), (3428, 8757), (3892, 7713), (5004, 5999), (5142, 5838)]