78723900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{9719}}^1$

素因数の和:9745

約数の個数: 90

約数和(自身を含む): 255218040

約数和(自身を除く): 176494140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 9719, 19438, 29157, 38876, 48595, 58314, 87471, 97190, 116628, 145785, 174942, 194380, 242975, 262413, 291570, 349884, 437355, 485950, 524826, 583140, 728925, 787239, 874710, 971900, 1049652, 1312065, 1457850, 1574478, 1749420, 2186775, 2624130, 2915700, 3148956, 3936195, 4373550, 5248260, 6560325, 7872390, 8747100, 13120650, 15744780, 19680975, 26241300, 39361950, 78723900]

約数ペア:

[(1, 78723900), (2, 39361950), (3, 26241300), (4, 19680975), (5, 15744780), (6, 13120650), (9, 8747100), (10, 7872390), (12, 6560325), (15, 5248260), (18, 4373550), (20, 3936195), (25, 3148956), (27, 2915700), (30, 2624130), (36, 2186775), (45, 1749420), (50, 1574478), (54, 1457850), (60, 1312065), (75, 1049652), (81, 971900), (90, 874710), (100, 787239), (108, 728925), (135, 583140), (150, 524826), (162, 485950), (180, 437355), (225, 349884), (270, 291570), (300, 262413), (324, 242975), (405, 194380), (450, 174942), (540, 145785), (675, 116628), (810, 97190), (900, 87471), (1350, 58314), (1620, 48595), (2025, 38876), (2700, 29157), (4050, 19438), (8100, 9719)]