313550720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 951782400

約数和(自身を除く): 638231680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 32, 34, 35, 40, 46, 56, 64, 68, 70, 80, 85, 92, 112, 115, 119, 128, 136, 140, 160, 161, 170, 179, 184, 224, 230, 238, 272, 280, 320, 322, 340, 358, 368, 391, 448, 460, 476, 544, 560, 595, 640, 644, 680, 716, 736, 782, 805, 895, 896, 920, 952, 1088, 1120, 1190, 1253, 1288, 1360, 1432, 1472, 1564, 1610, 1790, 1840, 1904, 1955, 2176, 2240, 2380, 2506, 2576, 2720, 2737, 2864, 2944, 3043, 3128, 3220, 3580, 3680, 3808, 3910, 4117, 4480, 4760, 5012, 5152, 5440, 5474, 5728, 6086, 6256, 6265, 6440, 7160, 7360, 7616, 7820, 8234, 9520, 10024, 10304, 10880, 10948, 11456, 12172, 12512, 12530, 12880, 13685, 14320, 14720, 15215, 15232, 15640, 16468, 19040, 20048, 20585, 20608, 21301, 21896, 22912, 24344, 25024, 25060, 25760, 27370, 28640, 28819, 30430, 31280, 32936, 38080, 40096, 41170, 42602, 43792, 48688, 50048, 50120, 51520, 54740, 57280, 57638, 60860, 62560, 65872, 69989, 76160, 80192, 82340, 85204, 87584, 97376, 100240, 103040, 106505, 109480, 114560, 115276, 121720, 125120, 131744, 139978, 144095, 160384, 164680, 170408, 175168, 194752, 200480, 213010, 218960, 230552, 243440, 250240, 263488, 279956, 288190, 329360, 340816, 349945, 350336, 389504, 400960, 426020, 437920, 461104, 486880, 489923, 526976, 559912, 576380, 658720, 681632, 699890, 801920, 852040, 875840, 922208, 973760, 979846, 1119824, 1152760, 1317440, 1363264, 1399780, 1704080, 1751680, 1844416, 1947520, 1959692, 2239648, 2305520, 2449615, 2634880, 2726528, 2799560, 3408160, 3688832, 3919384, 4479296, 4611040, 4899230, 5599120, 6816320, 7838768, 8958592, 9222080, 9798460, 11198240, 13632640, 15677536, 18444160, 19596920, 22396480, 31355072, 39193840, 44792960, 62710144, 78387680, 156775360, 313550720]

約数ペア:

[(1, 313550720), (2, 156775360), (4, 78387680), (5, 62710144), (7, 44792960), (8, 39193840), (10, 31355072), (14, 22396480), (16, 19596920), (17, 18444160), (20, 15677536), (23, 13632640), (28, 11198240), (32, 9798460), (34, 9222080), (35, 8958592), (40, 7838768), (46, 6816320), (56, 5599120), (64, 4899230), (68, 4611040), (70, 4479296), (80, 3919384), (85, 3688832), (92, 3408160), (112, 2799560), (115, 2726528), (119, 2634880), (128, 2449615), (136, 2305520), (140, 2239648), (160, 1959692), (161, 1947520), (170, 1844416), (179, 1751680), (184, 1704080), (224, 1399780), (230, 1363264), (238, 1317440), (272, 1152760), (280, 1119824), (320, 979846), (322, 973760), (340, 922208), (358, 875840), (368, 852040), (391, 801920), (448, 699890), (460, 681632), (476, 658720), (544, 576380), (560, 559912), (595, 526976), (640, 489923), (644, 486880), (680, 461104), (716, 437920), (736, 426020), (782, 400960), (805, 389504), (895, 350336), (896, 349945), (920, 340816), (952, 329360), (1088, 288190), (1120, 279956), (1190, 263488), (1253, 250240), (1288, 243440), (1360, 230552), (1432, 218960), (1472, 213010), (1564, 200480), (1610, 194752), (1790, 175168), (1840, 170408), (1904, 164680), (1955, 160384), (2176, 144095), (2240, 139978), (2380, 131744), (2506, 125120), (2576, 121720), (2720, 115276), (2737, 114560), (2864, 109480), (2944, 106505), (3043, 103040), (3128, 100240), (3220, 97376), (3580, 87584), (3680, 85204), (3808, 82340), (3910, 80192), (4117, 76160), (4480, 69989), (4760, 65872), (5012, 62560), (5152, 60860), (5440, 57638), (5474, 57280), (5728, 54740), (6086, 51520), (6256, 50120), (6265, 50048), (6440, 48688), (7160, 43792), (7360, 42602), (7616, 41170), (7820, 40096), (8234, 38080), (9520, 32936), (10024, 31280), (10304, 30430), (10880, 28819), (10948, 28640), (11456, 27370), (12172, 25760), (12512, 25060), (12530, 25024), (12880, 24344), (13685, 22912), (14320, 21896), (14720, 21301), (15215, 20608), (15232, 20585), (15640, 20048), (16468, 19040)]