18891360

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4373}}^1$

素因数の和:4397

約数の個数: 96

約数和(自身を含む): 66134880

約数和(自身を除く): 47243520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4373, 8746, 13119, 17492, 21865, 26238, 34984, 39357, 43730, 52476, 65595, 69968, 78714, 87460, 104952, 118071, 131190, 139936, 157428, 174920, 196785, 209904, 236142, 262380, 314856, 349840, 393570, 419808, 472284, 524760, 590355, 629712, 699680, 787140, 944568, 1049520, 1180710, 1259424, 1574280, 1889136, 2099040, 2361420, 3148560, 3778272, 4722840, 6297120, 9445680, 18891360]

約数ペア:

[(1, 18891360), (2, 9445680), (3, 6297120), (4, 4722840), (5, 3778272), (6, 3148560), (8, 2361420), (9, 2099040), (10, 1889136), (12, 1574280), (15, 1259424), (16, 1180710), (18, 1049520), (20, 944568), (24, 787140), (27, 699680), (30, 629712), (32, 590355), (36, 524760), (40, 472284), (45, 419808), (48, 393570), (54, 349840), (60, 314856), (72, 262380), (80, 236142), (90, 209904), (96, 196785), (108, 174920), (120, 157428), (135, 139936), (144, 131190), (160, 118071), (180, 104952), (216, 87460), (240, 78714), (270, 69968), (288, 65595), (360, 52476), (432, 43730), (480, 39357), (540, 34984), (720, 26238), (864, 21865), (1080, 17492), (1440, 13119), (2160, 8746), (4320, 4373)]