215166720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:570

約数の個数: 144

約数和(自身を含む): 693897120

約数和(自身を除く): 478730400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 137, 160, 192, 240, 256, 274, 320, 384, 409, 411, 480, 548, 640, 685, 768, 818, 822, 960, 1096, 1227, 1280, 1370, 1636, 1644, 1920, 2045, 2055, 2192, 2454, 2740, 3272, 3288, 3840, 4090, 4110, 4384, 4908, 5480, 6135, 6544, 6576, 8180, 8220, 8768, 9816, 10960, 12270, 13088, 13152, 16360, 16440, 17536, 19632, 21920, 24540, 26176, 26304, 32720, 32880, 35072, 39264, 43840, 49080, 52352, 52608, 56033, 65440, 65760, 78528, 87680, 98160, 104704, 105216, 112066, 130880, 131520, 157056, 168099, 175360, 196320, 224132, 261760, 263040, 280165, 314112, 336198, 392640, 448264, 523520, 526080, 560330, 672396, 785280, 840495, 896528, 1120660, 1344792, 1570560, 1680990, 1793056, 2241320, 2689584, 3361980, 3586112, 4482640, 5379168, 6723960, 7172224, 8965280, 10758336, 13447920, 14344448, 17930560, 21516672, 26895840, 35861120, 43033344, 53791680, 71722240, 107583360, 215166720]

約数ペア:

[(1, 215166720), (2, 107583360), (3, 71722240), (4, 53791680), (5, 43033344), (6, 35861120), (8, 26895840), (10, 21516672), (12, 17930560), (15, 14344448), (16, 13447920), (20, 10758336), (24, 8965280), (30, 7172224), (32, 6723960), (40, 5379168), (48, 4482640), (60, 3586112), (64, 3361980), (80, 2689584), (96, 2241320), (120, 1793056), (128, 1680990), (137, 1570560), (160, 1344792), (192, 1120660), (240, 896528), (256, 840495), (274, 785280), (320, 672396), (384, 560330), (409, 526080), (411, 523520), (480, 448264), (548, 392640), (640, 336198), (685, 314112), (768, 280165), (818, 263040), (822, 261760), (960, 224132), (1096, 196320), (1227, 175360), (1280, 168099), (1370, 157056), (1636, 131520), (1644, 130880), (1920, 112066), (2045, 105216), (2055, 104704), (2192, 98160), (2454, 87680), (2740, 78528), (3272, 65760), (3288, 65440), (3840, 56033), (4090, 52608), (4110, 52352), (4384, 49080), (4908, 43840), (5480, 39264), (6135, 35072), (6544, 32880), (6576, 32720), (8180, 26304), (8220, 26176), (8768, 24540), (9816, 21920), (10960, 19632), (12270, 17536), (13088, 16440), (13152, 16360)]