215755680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:591

約数の個数: 192

約数和(自身を含む): 783578880

約数和(自身を除く): 567823200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 157, 160, 168, 210, 224, 240, 280, 314, 336, 409, 420, 471, 480, 560, 628, 672, 785, 818, 840, 942, 1099, 1120, 1227, 1256, 1570, 1636, 1680, 1884, 2045, 2198, 2355, 2454, 2512, 2863, 3140, 3272, 3297, 3360, 3768, 4090, 4396, 4710, 4908, 5024, 5495, 5726, 6135, 6280, 6544, 6594, 7536, 8180, 8589, 8792, 9420, 9816, 10990, 11452, 12270, 12560, 13088, 13188, 14315, 15072, 16360, 16485, 17178, 17584, 18840, 19632, 21980, 22904, 24540, 25120, 26376, 28630, 32720, 32970, 34356, 35168, 37680, 39264, 42945, 43960, 45808, 49080, 52752, 57260, 64213, 65440, 65940, 68712, 75360, 85890, 87920, 91616, 98160, 105504, 114520, 128426, 131880, 137424, 171780, 175840, 192639, 196320, 229040, 256852, 263760, 274848, 321065, 343560, 385278, 449491, 458080, 513704, 527520, 642130, 687120, 770556, 898982, 963195, 1027408, 1284260, 1348473, 1374240, 1541112, 1797964, 1926390, 2054816, 2247455, 2568520, 2696946, 3082224, 3595928, 3852780, 4494910, 5137040, 5393892, 6164448, 6742365, 7191856, 7705560, 8989820, 10274080, 10787784, 13484730, 14383712, 15411120, 17979640, 21575568, 26969460, 30822240, 35959280, 43151136, 53938920, 71918560, 107877840, 215755680]

約数ペア:

[(1, 215755680), (2, 107877840), (3, 71918560), (4, 53938920), (5, 43151136), (6, 35959280), (7, 30822240), (8, 26969460), (10, 21575568), (12, 17979640), (14, 15411120), (15, 14383712), (16, 13484730), (20, 10787784), (21, 10274080), (24, 8989820), (28, 7705560), (30, 7191856), (32, 6742365), (35, 6164448), (40, 5393892), (42, 5137040), (48, 4494910), (56, 3852780), (60, 3595928), (70, 3082224), (80, 2696946), (84, 2568520), (96, 2247455), (105, 2054816), (112, 1926390), (120, 1797964), (140, 1541112), (157, 1374240), (160, 1348473), (168, 1284260), (210, 1027408), (224, 963195), (240, 898982), (280, 770556), (314, 687120), (336, 642130), (409, 527520), (420, 513704), (471, 458080), (480, 449491), (560, 385278), (628, 343560), (672, 321065), (785, 274848), (818, 263760), (840, 256852), (942, 229040), (1099, 196320), (1120, 192639), (1227, 175840), (1256, 171780), (1570, 137424), (1636, 131880), (1680, 128426), (1884, 114520), (2045, 105504), (2198, 98160), (2355, 91616), (2454, 87920), (2512, 85890), (2863, 75360), (3140, 68712), (3272, 65940), (3297, 65440), (3360, 64213), (3768, 57260), (4090, 52752), (4396, 49080), (4710, 45808), (4908, 43960), (5024, 42945), (5495, 39264), (5726, 37680), (6135, 35168), (6280, 34356), (6544, 32970), (6594, 32720), (7536, 28630), (8180, 26376), (8589, 25120), (8792, 24540), (9420, 22904), (9816, 21980), (10990, 19632), (11452, 18840), (12270, 17584), (12560, 17178), (13088, 16485), (13188, 16360), (14315, 15072)]