80517900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{863}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 233985024

約数和(自身を除く): 153467124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 311, 622, 863, 933, 1244, 1555, 1726, 1866, 2589, 3110, 3452, 3732, 4315, 4665, 5178, 6220, 7775, 8630, 9330, 10356, 12945, 15550, 17260, 18660, 21575, 23325, 25890, 31100, 43150, 46650, 51780, 64725, 86300, 93300, 129450, 258900, 268393, 536786, 805179, 1073572, 1341965, 1610358, 2683930, 3220716, 4025895, 5367860, 6709825, 8051790, 13419650, 16103580, 20129475, 26839300, 40258950, 80517900]

約数ペア:

[(1, 80517900), (2, 40258950), (3, 26839300), (4, 20129475), (5, 16103580), (6, 13419650), (10, 8051790), (12, 6709825), (15, 5367860), (20, 4025895), (25, 3220716), (30, 2683930), (50, 1610358), (60, 1341965), (75, 1073572), (100, 805179), (150, 536786), (300, 268393), (311, 258900), (622, 129450), (863, 93300), (933, 86300), (1244, 64725), (1555, 51780), (1726, 46650), (1866, 43150), (2589, 31100), (3110, 25890), (3452, 23325), (3732, 21575), (4315, 18660), (4665, 17260), (5178, 15550), (6220, 12945), (7775, 10356), (8630, 9330)]