72414880

素因数分解:

$2^5\times 5^1\times {\mathrm{499}}^1\times {\mathrm{907}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 171612000

約数和(自身を除く): 99197120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 499, 907, 998, 1814, 1996, 2495, 3628, 3992, 4535, 4990, 7256, 7984, 9070, 9980, 14512, 15968, 18140, 19960, 29024, 36280, 39920, 72560, 79840, 145120, 452593, 905186, 1810372, 2262965, 3620744, 4525930, 7241488, 9051860, 14482976, 18103720, 36207440, 72414880]

約数ペア:

[(1, 72414880), (2, 36207440), (4, 18103720), (5, 14482976), (8, 9051860), (10, 7241488), (16, 4525930), (20, 3620744), (32, 2262965), (40, 1810372), (80, 905186), (160, 452593), (499, 145120), (907, 79840), (998, 72560), (1814, 39920), (1996, 36280), (2495, 29024), (3628, 19960), (3992, 18140), (4535, 15968), (4990, 14512), (7256, 9980), (7984, 9070)]