72455840

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2999}}^1$

素因数の和:3165

約数の個数: 48

約数和(自身を含む): 172368000

約数和(自身を除く): 99912160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 755, 1208, 1510, 2416, 2999, 3020, 4832, 5998, 6040, 11996, 12080, 14995, 23992, 24160, 29990, 47984, 59980, 95968, 119960, 239920, 452849, 479840, 905698, 1811396, 2264245, 3622792, 4528490, 7245584, 9056980, 14491168, 18113960, 36227920, 72455840]

約数ペア:

[(1, 72455840), (2, 36227920), (4, 18113960), (5, 14491168), (8, 9056980), (10, 7245584), (16, 4528490), (20, 3622792), (32, 2264245), (40, 1811396), (80, 905698), (151, 479840), (160, 452849), (302, 239920), (604, 119960), (755, 95968), (1208, 59980), (1510, 47984), (2416, 29990), (2999, 24160), (3020, 23992), (4832, 14995), (5998, 12080), (6040, 11996)]