72720472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 153653760

約数和(自身を除く): 80933288

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 103, 113, 142, 206, 226, 284, 412, 452, 568, 781, 824, 904, 1133, 1243, 1562, 2266, 2486, 3124, 4532, 4972, 6248, 7313, 8023, 9064, 9944, 11639, 14626, 16046, 23278, 29252, 32092, 46556, 58504, 64184, 80443, 88253, 93112, 128029, 160886, 176506, 256058, 321772, 353012, 512116, 643544, 706024, 826369, 1024232, 1652738, 3305476, 6610952, 9090059, 18180118, 36360236, 72720472]

約数ペア:

[(1, 72720472), (2, 36360236), (4, 18180118), (8, 9090059), (11, 6610952), (22, 3305476), (44, 1652738), (71, 1024232), (88, 826369), (103, 706024), (113, 643544), (142, 512116), (206, 353012), (226, 321772), (284, 256058), (412, 176506), (452, 160886), (568, 128029), (781, 93112), (824, 88253), (904, 80443), (1133, 64184), (1243, 58504), (1562, 46556), (2266, 32092), (2486, 29252), (3124, 23278), (4532, 16046), (4972, 14626), (6248, 11639), (7313, 9944), (8023, 9064)]