72000072

素因数分解:

$2^3\times 3^2\times {\mathrm{101}}^1\times {\mathrm{9901}}^1$

素因数の和:10014

約数の個数: 48

約数和(自身を含む): 196950780

約数和(自身を除く): 124950708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 101, 202, 303, 404, 606, 808, 909, 1212, 1818, 2424, 3636, 7272, 9901, 19802, 29703, 39604, 59406, 79208, 89109, 118812, 178218, 237624, 356436, 712872, 1000001, 2000002, 3000003, 4000004, 6000006, 8000008, 9000009, 12000012, 18000018, 24000024, 36000036, 72000072]

約数ペア:

[(1, 72000072), (2, 36000036), (3, 24000024), (4, 18000018), (6, 12000012), (8, 9000009), (9, 8000008), (12, 6000006), (18, 4000004), (24, 3000003), (36, 2000002), (72, 1000001), (101, 712872), (202, 356436), (303, 237624), (404, 178218), (606, 118812), (808, 89109), (909, 79208), (1212, 59406), (1818, 39604), (2424, 29703), (3636, 19802), (7272, 9901)]