311249920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 176

約数和(自身を含む): 806485248

約数和(自身を除く): 495235328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 53, 62, 64, 74, 80, 106, 124, 128, 148, 155, 160, 185, 212, 248, 256, 265, 296, 310, 320, 370, 424, 496, 512, 530, 592, 620, 640, 740, 848, 992, 1024, 1060, 1147, 1184, 1240, 1280, 1480, 1643, 1696, 1961, 1984, 2120, 2294, 2368, 2480, 2560, 2960, 3286, 3392, 3922, 3968, 4240, 4588, 4736, 4960, 5120, 5735, 5920, 6572, 6784, 7844, 7936, 8215, 8480, 9176, 9472, 9805, 9920, 11470, 11840, 13144, 13568, 15688, 15872, 16430, 16960, 18352, 18944, 19610, 19840, 22940, 23680, 26288, 27136, 31376, 31744, 32860, 33920, 36704, 37888, 39220, 39680, 45880, 47360, 52576, 54272, 60791, 62752, 65720, 67840, 73408, 78440, 79360, 91760, 94720, 105152, 121582, 125504, 131440, 135680, 146816, 156880, 158720, 183520, 189440, 210304, 243164, 251008, 262880, 271360, 293632, 303955, 313760, 367040, 420608, 486328, 502016, 525760, 587264, 607910, 627520, 734080, 841216, 972656, 1004032, 1051520, 1174528, 1215820, 1255040, 1468160, 1682432, 1945312, 2008064, 2103040, 2431640, 2510080, 2936320, 3890624, 4206080, 4863280, 5020160, 5872640, 7781248, 8412160, 9726560, 10040320, 15562496, 19453120, 31124992, 38906240, 62249984, 77812480, 155624960, 311249920]

約数ペア:

[(1, 311249920), (2, 155624960), (4, 77812480), (5, 62249984), (8, 38906240), (10, 31124992), (16, 19453120), (20, 15562496), (31, 10040320), (32, 9726560), (37, 8412160), (40, 7781248), (53, 5872640), (62, 5020160), (64, 4863280), (74, 4206080), (80, 3890624), (106, 2936320), (124, 2510080), (128, 2431640), (148, 2103040), (155, 2008064), (160, 1945312), (185, 1682432), (212, 1468160), (248, 1255040), (256, 1215820), (265, 1174528), (296, 1051520), (310, 1004032), (320, 972656), (370, 841216), (424, 734080), (496, 627520), (512, 607910), (530, 587264), (592, 525760), (620, 502016), (640, 486328), (740, 420608), (848, 367040), (992, 313760), (1024, 303955), (1060, 293632), (1147, 271360), (1184, 262880), (1240, 251008), (1280, 243164), (1480, 210304), (1643, 189440), (1696, 183520), (1961, 158720), (1984, 156880), (2120, 146816), (2294, 135680), (2368, 131440), (2480, 125504), (2560, 121582), (2960, 105152), (3286, 94720), (3392, 91760), (3922, 79360), (3968, 78440), (4240, 73408), (4588, 67840), (4736, 65720), (4960, 62752), (5120, 60791), (5735, 54272), (5920, 52576), (6572, 47360), (6784, 45880), (7844, 39680), (7936, 39220), (8215, 37888), (8480, 36704), (9176, 33920), (9472, 32860), (9805, 31744), (9920, 31376), (11470, 27136), (11840, 26288), (13144, 23680), (13568, 22940), (15688, 19840), (15872, 19610), (16430, 18944), (16960, 18352)]