263528320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 717912720

約数和(自身を除く): 454384400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 83, 88, 110, 121, 128, 160, 164, 166, 176, 205, 220, 242, 320, 328, 332, 352, 410, 415, 440, 451, 484, 605, 640, 656, 664, 704, 820, 830, 880, 902, 913, 968, 1210, 1312, 1328, 1408, 1640, 1660, 1760, 1804, 1826, 1936, 2255, 2420, 2624, 2656, 3280, 3320, 3403, 3520, 3608, 3652, 3872, 4510, 4565, 4840, 4961, 5248, 5312, 6560, 6640, 6806, 7040, 7216, 7304, 7744, 9020, 9130, 9680, 9922, 10043, 10624, 13120, 13280, 13612, 14432, 14608, 15488, 17015, 18040, 18260, 19360, 19844, 20086, 24805, 26240, 26560, 27224, 28864, 29216, 34030, 36080, 36520, 37433, 38720, 39688, 40172, 49610, 50215, 53120, 54448, 57728, 58432, 68060, 72160, 73040, 74866, 77440, 79376, 80344, 99220, 100430, 108896, 116864, 136120, 144320, 146080, 149732, 158752, 160688, 187165, 198440, 200860, 217792, 272240, 288640, 292160, 299464, 317504, 321376, 374330, 396880, 401720, 411763, 435584, 544480, 584320, 598928, 635008, 642752, 748660, 793760, 803440, 823526, 1088960, 1197856, 1285504, 1497320, 1587520, 1606880, 1647052, 2058815, 2177920, 2395712, 2994640, 3175040, 3213760, 3294104, 4117630, 4791424, 5989280, 6427520, 6588208, 8235260, 11978560, 13176416, 16470520, 23957120, 26352832, 32941040, 52705664, 65882080, 131764160, 263528320]

約数ペア:

[(1, 263528320), (2, 131764160), (4, 65882080), (5, 52705664), (8, 32941040), (10, 26352832), (11, 23957120), (16, 16470520), (20, 13176416), (22, 11978560), (32, 8235260), (40, 6588208), (41, 6427520), (44, 5989280), (55, 4791424), (64, 4117630), (80, 3294104), (82, 3213760), (83, 3175040), (88, 2994640), (110, 2395712), (121, 2177920), (128, 2058815), (160, 1647052), (164, 1606880), (166, 1587520), (176, 1497320), (205, 1285504), (220, 1197856), (242, 1088960), (320, 823526), (328, 803440), (332, 793760), (352, 748660), (410, 642752), (415, 635008), (440, 598928), (451, 584320), (484, 544480), (605, 435584), (640, 411763), (656, 401720), (664, 396880), (704, 374330), (820, 321376), (830, 317504), (880, 299464), (902, 292160), (913, 288640), (968, 272240), (1210, 217792), (1312, 200860), (1328, 198440), (1408, 187165), (1640, 160688), (1660, 158752), (1760, 149732), (1804, 146080), (1826, 144320), (1936, 136120), (2255, 116864), (2420, 108896), (2624, 100430), (2656, 99220), (3280, 80344), (3320, 79376), (3403, 77440), (3520, 74866), (3608, 73040), (3652, 72160), (3872, 68060), (4510, 58432), (4565, 57728), (4840, 54448), (4961, 53120), (5248, 50215), (5312, 49610), (6560, 40172), (6640, 39688), (6806, 38720), (7040, 37433), (7216, 36520), (7304, 36080), (7744, 34030), (9020, 29216), (9130, 28864), (9680, 27224), (9922, 26560), (10043, 26240), (10624, 24805), (13120, 20086), (13280, 19844), (13612, 19360), (14432, 18260), (14608, 18040), (15488, 17015)]