247406880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 288

約数和(自身を含む): 925960896

約数和(自身を除く): 678554016

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, 49, 56, 60, 67, 70, 80, 84, 96, 98, 105, 112, 120, 134, 140, 147, 157, 160, 168, 196, 201, 210, 224, 240, 245, 268, 280, 294, 314, 335, 336, 392, 402, 420, 469, 471, 480, 490, 536, 560, 588, 628, 670, 672, 735, 784, 785, 804, 840, 938, 942, 980, 1005, 1072, 1099, 1120, 1176, 1256, 1340, 1407, 1470, 1568, 1570, 1608, 1680, 1876, 1884, 1960, 2010, 2144, 2198, 2345, 2352, 2355, 2512, 2680, 2814, 2940, 3140, 3216, 3283, 3297, 3360, 3752, 3768, 3920, 4020, 4396, 4690, 4704, 4710, 5024, 5360, 5495, 5628, 5880, 6280, 6432, 6566, 6594, 7035, 7504, 7536, 7693, 7840, 8040, 8792, 9380, 9420, 9849, 10519, 10720, 10990, 11256, 11760, 12560, 13132, 13188, 14070, 15008, 15072, 15386, 16080, 16415, 16485, 17584, 18760, 18840, 19698, 21038, 21980, 22512, 23079, 23520, 25120, 26264, 26376, 28140, 30772, 31557, 32160, 32830, 32970, 35168, 37520, 37680, 38465, 39396, 42076, 43960, 45024, 46158, 49245, 52528, 52595, 52752, 56280, 61544, 63114, 65660, 65940, 73633, 75040, 75360, 76930, 78792, 84152, 87920, 92316, 98490, 105056, 105190, 105504, 112560, 115395, 123088, 126228, 131320, 131880, 147266, 153860, 157584, 157785, 168304, 175840, 184632, 196980, 210380, 220899, 225120, 230790, 246176, 252456, 262640, 263760, 294532, 307720, 315168, 315570, 336608, 368165, 369264, 393960, 420760, 441798, 461580, 504912, 515431, 525280, 527520, 589064, 615440, 631140, 736330, 738528, 787920, 841520, 883596, 923160, 1009824, 1030862, 1104495, 1178128, 1230880, 1262280, 1472660, 1546293, 1575840, 1683040, 1767192, 1846320, 2061724, 2208990, 2356256, 2524560, 2577155, 2945320, 3092586, 3534384, 3692640, 4123448, 4417980, 5049120, 5154310, 5890640, 6185172, 7068768, 7731465, 8246896, 8835960, 10308620, 11781280, 12370344, 15462930, 16493792, 17671920, 20617240, 24740688, 30925860, 35343840, 41234480, 49481376, 61851720, 82468960, 123703440, 247406880]

約数ペア:

[(1, 247406880), (2, 123703440), (3, 82468960), (4, 61851720), (5, 49481376), (6, 41234480), (7, 35343840), (8, 30925860), (10, 24740688), (12, 20617240), (14, 17671920), (15, 16493792), (16, 15462930), (20, 12370344), (21, 11781280), (24, 10308620), (28, 8835960), (30, 8246896), (32, 7731465), (35, 7068768), (40, 6185172), (42, 5890640), (48, 5154310), (49, 5049120), (56, 4417980), (60, 4123448), (67, 3692640), (70, 3534384), (80, 3092586), (84, 2945320), (96, 2577155), (98, 2524560), (105, 2356256), (112, 2208990), (120, 2061724), (134, 1846320), (140, 1767192), (147, 1683040), (157, 1575840), (160, 1546293), (168, 1472660), (196, 1262280), (201, 1230880), (210, 1178128), (224, 1104495), (240, 1030862), (245, 1009824), (268, 923160), (280, 883596), (294, 841520), (314, 787920), (335, 738528), (336, 736330), (392, 631140), (402, 615440), (420, 589064), (469, 527520), (471, 525280), (480, 515431), (490, 504912), (536, 461580), (560, 441798), (588, 420760), (628, 393960), (670, 369264), (672, 368165), (735, 336608), (784, 315570), (785, 315168), (804, 307720), (840, 294532), (938, 263760), (942, 262640), (980, 252456), (1005, 246176), (1072, 230790), (1099, 225120), (1120, 220899), (1176, 210380), (1256, 196980), (1340, 184632), (1407, 175840), (1470, 168304), (1568, 157785), (1570, 157584), (1608, 153860), (1680, 147266), (1876, 131880), (1884, 131320), (1960, 126228), (2010, 123088), (2144, 115395), (2198, 112560), (2345, 105504), (2352, 105190), (2355, 105056), (2512, 98490), (2680, 92316), (2814, 87920), (2940, 84152), (3140, 78792), (3216, 76930), (3283, 75360), (3297, 75040), (3360, 73633), (3752, 65940), (3768, 65660), (3920, 63114), (4020, 61544), (4396, 56280), (4690, 52752), (4704, 52595), (4710, 52528), (5024, 49245), (5360, 46158), (5495, 45024), (5628, 43960), (5880, 42076), (6280, 39396), (6432, 38465), (6566, 37680), (6594, 37520), (7035, 35168), (7504, 32970), (7536, 32830), (7693, 32160), (7840, 31557), (8040, 30772), (8792, 28140), (9380, 26376), (9420, 26264), (9849, 25120), (10519, 23520), (10720, 23079), (10990, 22512), (11256, 21980), (11760, 21038), (12560, 19698), (13132, 18840), (13188, 18760), (14070, 17584), (15008, 16485), (15072, 16415), (15386, 16080)]