257394720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 937863360

約数和(自身を除く): 680468640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 32, 33, 40, 41, 44, 48, 55, 58, 60, 66, 80, 82, 87, 88, 96, 110, 116, 120, 123, 132, 145, 160, 164, 165, 174, 176, 205, 220, 232, 240, 246, 264, 290, 319, 328, 330, 348, 352, 410, 435, 440, 451, 464, 480, 492, 528, 580, 615, 638, 656, 660, 696, 820, 870, 880, 902, 928, 957, 984, 1056, 1160, 1189, 1230, 1276, 1312, 1320, 1353, 1392, 1595, 1640, 1681, 1740, 1760, 1804, 1914, 1968, 2255, 2320, 2378, 2460, 2552, 2640, 2706, 2784, 3190, 3280, 3362, 3480, 3567, 3608, 3828, 3936, 4510, 4640, 4756, 4785, 4920, 5043, 5104, 5280, 5412, 5945, 6380, 6560, 6724, 6765, 6960, 7134, 7216, 7656, 8405, 9020, 9512, 9570, 9840, 10086, 10208, 10824, 11890, 12760, 13079, 13448, 13530, 13920, 14268, 14432, 15312, 16810, 17835, 18040, 18491, 19024, 19140, 19680, 20172, 21648, 23780, 25215, 25520, 26158, 26896, 27060, 28536, 30624, 33620, 35670, 36080, 36982, 38048, 38280, 39237, 40344, 43296, 47560, 48749, 50430, 51040, 52316, 53792, 54120, 55473, 57072, 65395, 67240, 71340, 72160, 73964, 76560, 78474, 80688, 92455, 95120, 97498, 100860, 104632, 108240, 110946, 114144, 130790, 134480, 142680, 146247, 147928, 153120, 156948, 161376, 184910, 190240, 194996, 196185, 201720, 209264, 216480, 221892, 243745, 261580, 268960, 277365, 285360, 292494, 295856, 313896, 369820, 389992, 392370, 403440, 418528, 443784, 487490, 523160, 536239, 554730, 570720, 584988, 591712, 627792, 731235, 739640, 779984, 784740, 806880, 887568, 974980, 1046320, 1072478, 1109460, 1169976, 1255584, 1462470, 1479280, 1559968, 1569480, 1608717, 1775136, 1949960, 2092640, 2144956, 2218920, 2339952, 2681195, 2924940, 2958560, 3138960, 3217434, 3899920, 4289912, 4437840, 4679904, 5362390, 5849880, 6277920, 6434868, 7799840, 8043585, 8579824, 8875680, 10724780, 11699760, 12869736, 16087170, 17159648, 21449560, 23399520, 25739472, 32174340, 42899120, 51478944, 64348680, 85798240, 128697360, 257394720]

約数ペア:

[(1, 257394720), (2, 128697360), (3, 85798240), (4, 64348680), (5, 51478944), (6, 42899120), (8, 32174340), (10, 25739472), (11, 23399520), (12, 21449560), (15, 17159648), (16, 16087170), (20, 12869736), (22, 11699760), (24, 10724780), (29, 8875680), (30, 8579824), (32, 8043585), (33, 7799840), (40, 6434868), (41, 6277920), (44, 5849880), (48, 5362390), (55, 4679904), (58, 4437840), (60, 4289912), (66, 3899920), (80, 3217434), (82, 3138960), (87, 2958560), (88, 2924940), (96, 2681195), (110, 2339952), (116, 2218920), (120, 2144956), (123, 2092640), (132, 1949960), (145, 1775136), (160, 1608717), (164, 1569480), (165, 1559968), (174, 1479280), (176, 1462470), (205, 1255584), (220, 1169976), (232, 1109460), (240, 1072478), (246, 1046320), (264, 974980), (290, 887568), (319, 806880), (328, 784740), (330, 779984), (348, 739640), (352, 731235), (410, 627792), (435, 591712), (440, 584988), (451, 570720), (464, 554730), (480, 536239), (492, 523160), (528, 487490), (580, 443784), (615, 418528), (638, 403440), (656, 392370), (660, 389992), (696, 369820), (820, 313896), (870, 295856), (880, 292494), (902, 285360), (928, 277365), (957, 268960), (984, 261580), (1056, 243745), (1160, 221892), (1189, 216480), (1230, 209264), (1276, 201720), (1312, 196185), (1320, 194996), (1353, 190240), (1392, 184910), (1595, 161376), (1640, 156948), (1681, 153120), (1740, 147928), (1760, 146247), (1804, 142680), (1914, 134480), (1968, 130790), (2255, 114144), (2320, 110946), (2378, 108240), (2460, 104632), (2552, 100860), (2640, 97498), (2706, 95120), (2784, 92455), (3190, 80688), (3280, 78474), (3362, 76560), (3480, 73964), (3567, 72160), (3608, 71340), (3828, 67240), (3936, 65395), (4510, 57072), (4640, 55473), (4756, 54120), (4785, 53792), (4920, 52316), (5043, 51040), (5104, 50430), (5280, 48749), (5412, 47560), (5945, 43296), (6380, 40344), (6560, 39237), (6724, 38280), (6765, 38048), (6960, 36982), (7134, 36080), (7216, 35670), (7656, 33620), (8405, 30624), (9020, 28536), (9512, 27060), (9570, 26896), (9840, 26158), (10086, 25520), (10208, 25215), (10824, 23780), (11890, 21648), (12760, 20172), (13079, 19680), (13448, 19140), (13530, 19024), (13920, 18491), (14268, 18040), (14432, 17835), (15312, 16810)]