318154240

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 160

約数和(自身を含む): 832803840

約数和(自身を除く): 514649600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 211, 248, 256, 304, 310, 320, 380, 422, 496, 512, 589, 608, 620, 640, 760, 844, 992, 1055, 1178, 1216, 1240, 1280, 1520, 1688, 1984, 2110, 2356, 2432, 2480, 2560, 2945, 3040, 3376, 3968, 4009, 4220, 4712, 4864, 4960, 5890, 6080, 6541, 6752, 7936, 8018, 8440, 9424, 9728, 9920, 11780, 12160, 13082, 13504, 15872, 16036, 16880, 18848, 19840, 20045, 23560, 24320, 26164, 27008, 32072, 32705, 33760, 37696, 39680, 40090, 47120, 48640, 52328, 54016, 64144, 65410, 67520, 75392, 79360, 80180, 94240, 104656, 108032, 124279, 128288, 130820, 135040, 150784, 160360, 188480, 209312, 248558, 256576, 261640, 270080, 301568, 320720, 376960, 418624, 497116, 513152, 523280, 540160, 621395, 641440, 753920, 837248, 994232, 1026304, 1046560, 1242790, 1282880, 1507840, 1674496, 1988464, 2052608, 2093120, 2485580, 2565760, 3348992, 3976928, 4186240, 4971160, 5131520, 7953856, 8372480, 9942320, 10263040, 15907712, 16744960, 19884640, 31815424, 39769280, 63630848, 79538560, 159077120, 318154240]

約数ペア:

[(1, 318154240), (2, 159077120), (4, 79538560), (5, 63630848), (8, 39769280), (10, 31815424), (16, 19884640), (19, 16744960), (20, 15907712), (31, 10263040), (32, 9942320), (38, 8372480), (40, 7953856), (62, 5131520), (64, 4971160), (76, 4186240), (80, 3976928), (95, 3348992), (124, 2565760), (128, 2485580), (152, 2093120), (155, 2052608), (160, 1988464), (190, 1674496), (211, 1507840), (248, 1282880), (256, 1242790), (304, 1046560), (310, 1026304), (320, 994232), (380, 837248), (422, 753920), (496, 641440), (512, 621395), (589, 540160), (608, 523280), (620, 513152), (640, 497116), (760, 418624), (844, 376960), (992, 320720), (1055, 301568), (1178, 270080), (1216, 261640), (1240, 256576), (1280, 248558), (1520, 209312), (1688, 188480), (1984, 160360), (2110, 150784), (2356, 135040), (2432, 130820), (2480, 128288), (2560, 124279), (2945, 108032), (3040, 104656), (3376, 94240), (3968, 80180), (4009, 79360), (4220, 75392), (4712, 67520), (4864, 65410), (4960, 64144), (5890, 54016), (6080, 52328), (6541, 48640), (6752, 47120), (7936, 40090), (8018, 39680), (8440, 37696), (9424, 33760), (9728, 32705), (9920, 32072), (11780, 27008), (12160, 26164), (13082, 24320), (13504, 23560), (15872, 20045), (16036, 19840), (16880, 18848)]