72821808

素因数分解:

$2^4\times 3^3\times {\mathrm{101}}^1\times {\mathrm{1669}}^1$

素因数の和:1787

約数の個数: 80

約数和(自身を含む): 211221600

約数和(自身を除く): 138399792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 101, 108, 144, 202, 216, 303, 404, 432, 606, 808, 909, 1212, 1616, 1669, 1818, 2424, 2727, 3338, 3636, 4848, 5007, 5454, 6676, 7272, 10014, 10908, 13352, 14544, 15021, 20028, 21816, 26704, 30042, 40056, 43632, 45063, 60084, 80112, 90126, 120168, 168569, 180252, 240336, 337138, 360504, 505707, 674276, 721008, 1011414, 1348552, 1517121, 2022828, 2697104, 3034242, 4045656, 4551363, 6068484, 8091312, 9102726, 12136968, 18205452, 24273936, 36410904, 72821808]

約数ペア:

[(1, 72821808), (2, 36410904), (3, 24273936), (4, 18205452), (6, 12136968), (8, 9102726), (9, 8091312), (12, 6068484), (16, 4551363), (18, 4045656), (24, 3034242), (27, 2697104), (36, 2022828), (48, 1517121), (54, 1348552), (72, 1011414), (101, 721008), (108, 674276), (144, 505707), (202, 360504), (216, 337138), (303, 240336), (404, 180252), (432, 168569), (606, 120168), (808, 90126), (909, 80112), (1212, 60084), (1616, 45063), (1669, 43632), (1818, 40056), (2424, 30042), (2727, 26704), (3338, 21816), (3636, 20028), (4848, 15021), (5007, 14544), (5454, 13352), (6676, 10908), (7272, 10014)]