1782720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{619}}^1$

素因数の和:642

約数の個数: 84

約数和(自身を含む): 6141720

約数和(自身を除く): 4359000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 619, 720, 960, 1238, 1440, 1857, 2476, 2880, 3095, 3714, 4952, 5571, 6190, 7428, 9285, 9904, 11142, 12380, 14856, 18570, 19808, 22284, 24760, 27855, 29712, 37140, 39616, 44568, 49520, 55710, 59424, 74280, 89136, 99040, 111420, 118848, 148560, 178272, 198080, 222840, 297120, 356544, 445680, 594240, 891360, 1782720]

約数ペア:

[(1, 1782720), (2, 891360), (3, 594240), (4, 445680), (5, 356544), (6, 297120), (8, 222840), (9, 198080), (10, 178272), (12, 148560), (15, 118848), (16, 111420), (18, 99040), (20, 89136), (24, 74280), (30, 59424), (32, 55710), (36, 49520), (40, 44568), (45, 39616), (48, 37140), (60, 29712), (64, 27855), (72, 24760), (80, 22284), (90, 19808), (96, 18570), (120, 14856), (144, 12380), (160, 11142), (180, 9904), (192, 9285), (240, 7428), (288, 6190), (320, 5571), (360, 4952), (480, 3714), (576, 3095), (619, 2880), (720, 2476), (960, 1857), (1238, 1440)]