30688884

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 81139968

約数和(自身を除く): 50451084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 186, 214, 257, 279, 321, 372, 428, 514, 558, 642, 771, 963, 1028, 1116, 1284, 1542, 1926, 2313, 3084, 3317, 3852, 4626, 6634, 7967, 9252, 9951, 13268, 15934, 19902, 23901, 27499, 29853, 31868, 39804, 47802, 54998, 59706, 71703, 82497, 95604, 109996, 119412, 143406, 164994, 247491, 286812, 329988, 494982, 852469, 989964, 1704938, 2557407, 3409876, 5114814, 7672221, 10229628, 15344442, 30688884]

約数ペア:

[(1, 30688884), (2, 15344442), (3, 10229628), (4, 7672221), (6, 5114814), (9, 3409876), (12, 2557407), (18, 1704938), (31, 989964), (36, 852469), (62, 494982), (93, 329988), (107, 286812), (124, 247491), (186, 164994), (214, 143406), (257, 119412), (279, 109996), (321, 95604), (372, 82497), (428, 71703), (514, 59706), (558, 54998), (642, 47802), (771, 39804), (963, 31868), (1028, 29853), (1116, 27499), (1284, 23901), (1542, 19902), (1926, 15934), (2313, 13268), (3084, 9951), (3317, 9252), (3852, 7967), (4626, 6634)]