128142720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{22247}}^1$

素因数の和:22272

約数の個数: 96

約数和(自身を含む): 442512720

約数和(自身を除く): 314370000

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, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 22247, 44494, 66741, 88988, 111235, 133482, 177976, 200223, 222470, 266964, 333705, 355952, 400446, 444940, 533928, 667410, 711904, 800892, 889880, 1001115, 1067856, 1334820, 1423808, 1601784, 1779760, 2002230, 2135712, 2669640, 2847616, 3203568, 3559520, 4004460, 4271424, 5339280, 6407136, 7119040, 8008920, 8542848, 10678560, 12814272, 14238080, 16017840, 21357120, 25628544, 32035680, 42714240, 64071360, 128142720]

約数ペア:

[(1, 128142720), (2, 64071360), (3, 42714240), (4, 32035680), (5, 25628544), (6, 21357120), (8, 16017840), (9, 14238080), (10, 12814272), (12, 10678560), (15, 8542848), (16, 8008920), (18, 7119040), (20, 6407136), (24, 5339280), (30, 4271424), (32, 4004460), (36, 3559520), (40, 3203568), (45, 2847616), (48, 2669640), (60, 2135712), (64, 2002230), (72, 1779760), (80, 1601784), (90, 1423808), (96, 1334820), (120, 1067856), (128, 1001115), (144, 889880), (160, 800892), (180, 711904), (192, 667410), (240, 533928), (288, 444940), (320, 400446), (360, 355952), (384, 333705), (480, 266964), (576, 222470), (640, 200223), (720, 177976), (960, 133482), (1152, 111235), (1440, 88988), (1920, 66741), (2880, 44494), (5760, 22247)]