631070720

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 224

約数和(自身を含む): 1811828736

約数和(自身を除く): 1180758016

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, 8192, 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, 40960, 44020, 45440, 55552, 57344, 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, 253952, 254464, 277760, 281728, 286720, 290816, 308140, 317440, 318080, 352160, 363520, 444416, 493024, 508928, 555520, 563456, 581632, 616280, 634880, 636160, 704320, 727040, 888832, 986048, 1017856, 1111040, 1126912, 1232560, 1269760, 1272320, 1408640, 1454080, 1777664, 1972096, 2035712, 2222080, 2253824, 2465120, 2544640, 2817280, 2908160, 3944192, 4071424, 4444160, 4507648, 4930240, 5089280, 5634560, 7888384, 8888320, 9015296, 9860480, 10178560, 11269120, 15776768, 18030592, 19720960, 20357120, 22538240, 31553536, 39441920, 45076480, 63107072, 78883840, 90152960, 126214144, 157767680, 315535360, 631070720]

約数ペア:

[(1, 631070720), (2, 315535360), (4, 157767680), (5, 126214144), (7, 90152960), (8, 78883840), (10, 63107072), (14, 45076480), (16, 39441920), (20, 31553536), (28, 22538240), (31, 20357120), (32, 19720960), (35, 18030592), (40, 15776768), (56, 11269120), (62, 10178560), (64, 9860480), (70, 9015296), (71, 8888320), (80, 7888384), (112, 5634560), (124, 5089280), (128, 4930240), (140, 4507648), (142, 4444160), (155, 4071424), (160, 3944192), (217, 2908160), (224, 2817280), (248, 2544640), (256, 2465120), (280, 2253824), (284, 2222080), (310, 2035712), (320, 1972096), (355, 1777664), (434, 1454080), (448, 1408640), (496, 1272320), (497, 1269760), (512, 1232560), (560, 1126912), (568, 1111040), (620, 1017856), (640, 986048), (710, 888832), (868, 727040), (896, 704320), (992, 636160), (994, 634880), (1024, 616280), (1085, 581632), (1120, 563456), (1136, 555520), (1240, 508928), (1280, 493024), (1420, 444416), (1736, 363520), (1792, 352160), (1984, 318080), (1988, 317440), (2048, 308140), (2170, 290816), (2201, 286720), (2240, 281728), (2272, 277760), (2480, 254464), (2485, 253952), (2560, 246512), (2840, 222208), (3472, 181760), (3584, 176080), (3968, 159040), (3976, 158720), (4096, 154070), (4340, 145408), (4402, 143360), (4480, 140864), (4544, 138880), (4960, 127232), (4970, 126976), (5120, 123256), (5680, 111104), (6944, 90880), (7168, 88040), (7936, 79520), (7952, 79360), (8192, 77035), (8680, 72704), (8804, 71680), (8960, 70432), (9088, 69440), (9920, 63616), (9940, 63488), (10240, 61628), (11005, 57344), (11360, 55552), (13888, 45440), (14336, 44020), (15407, 40960), (15872, 39760), (15904, 39680), (17360, 36352), (17608, 35840), (17920, 35216), (18176, 34720), (19840, 31808), (19880, 31744), (20480, 30814), (22010, 28672), (22720, 27776)]