315535360

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 208

約数和(自身を含む): 905859072

約数和(自身を除く): 590323712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 71, 80, 112, 124, 128, 140, 142, 155, 160, 217, 224, 248, 256, 280, 284, 310, 320, 355, 434, 448, 496, 497, 512, 560, 568, 620, 640, 710, 868, 896, 992, 994, 1024, 1085, 1120, 1136, 1240, 1280, 1420, 1736, 1792, 1984, 1988, 2048, 2170, 2201, 2240, 2272, 2480, 2485, 2560, 2840, 3472, 3584, 3968, 3976, 4096, 4340, 4402, 4480, 4544, 4960, 4970, 5120, 5680, 6944, 7168, 7936, 7952, 8680, 8804, 8960, 9088, 9920, 9940, 10240, 11005, 11360, 13888, 14336, 15407, 15872, 15904, 17360, 17608, 17920, 18176, 19840, 19880, 20480, 22010, 22720, 27776, 28672, 30814, 31744, 31808, 34720, 35216, 35840, 36352, 39680, 39760, 44020, 45440, 55552, 61628, 63488, 63616, 69440, 70432, 71680, 72704, 77035, 79360, 79520, 88040, 90880, 111104, 123256, 126976, 127232, 138880, 140864, 143360, 145408, 154070, 158720, 159040, 176080, 181760, 222208, 246512, 254464, 277760, 281728, 290816, 308140, 317440, 318080, 352160, 363520, 444416, 493024, 508928, 555520, 563456, 616280, 634880, 636160, 704320, 727040, 888832, 986048, 1017856, 1111040, 1126912, 1232560, 1272320, 1408640, 1454080, 1972096, 2035712, 2222080, 2253824, 2465120, 2544640, 2817280, 3944192, 4444160, 4507648, 4930240, 5089280, 5634560, 7888384, 9015296, 9860480, 10178560, 11269120, 15776768, 19720960, 22538240, 31553536, 39441920, 45076480, 63107072, 78883840, 157767680, 315535360]

約数ペア:

[(1, 315535360), (2, 157767680), (4, 78883840), (5, 63107072), (7, 45076480), (8, 39441920), (10, 31553536), (14, 22538240), (16, 19720960), (20, 15776768), (28, 11269120), (31, 10178560), (32, 9860480), (35, 9015296), (40, 7888384), (56, 5634560), (62, 5089280), (64, 4930240), (70, 4507648), (71, 4444160), (80, 3944192), (112, 2817280), (124, 2544640), (128, 2465120), (140, 2253824), (142, 2222080), (155, 2035712), (160, 1972096), (217, 1454080), (224, 1408640), (248, 1272320), (256, 1232560), (280, 1126912), (284, 1111040), (310, 1017856), (320, 986048), (355, 888832), (434, 727040), (448, 704320), (496, 636160), (497, 634880), (512, 616280), (560, 563456), (568, 555520), (620, 508928), (640, 493024), (710, 444416), (868, 363520), (896, 352160), (992, 318080), (994, 317440), (1024, 308140), (1085, 290816), (1120, 281728), (1136, 277760), (1240, 254464), (1280, 246512), (1420, 222208), (1736, 181760), (1792, 176080), (1984, 159040), (1988, 158720), (2048, 154070), (2170, 145408), (2201, 143360), (2240, 140864), (2272, 138880), (2480, 127232), (2485, 126976), (2560, 123256), (2840, 111104), (3472, 90880), (3584, 88040), (3968, 79520), (3976, 79360), (4096, 77035), (4340, 72704), (4402, 71680), (4480, 70432), (4544, 69440), (4960, 63616), (4970, 63488), (5120, 61628), (5680, 55552), (6944, 45440), (7168, 44020), (7936, 39760), (7952, 39680), (8680, 36352), (8804, 35840), (8960, 35216), (9088, 34720), (9920, 31808), (9940, 31744), (10240, 30814), (11005, 28672), (11360, 27776), (13888, 22720), (14336, 22010), (15407, 20480), (15872, 19880), (15904, 19840), (17360, 18176), (17608, 17920)]