316805120

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 104

約数和(自身を含む): 786336000

約数和(自身を除く): 469530880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 499, 512, 620, 640, 992, 998, 1024, 1240, 1280, 1984, 1996, 2048, 2480, 2495, 2560, 3968, 3992, 4096, 4960, 4990, 5120, 7936, 7984, 9920, 9980, 10240, 15469, 15872, 15968, 19840, 19960, 20480, 30938, 31744, 31936, 39680, 39920, 61876, 63488, 63872, 77345, 79360, 79840, 123752, 126976, 127744, 154690, 158720, 159680, 247504, 255488, 309380, 317440, 319360, 495008, 510976, 618760, 634880, 638720, 990016, 1021952, 1237520, 1277440, 1980032, 2043904, 2475040, 2554880, 3960064, 4950080, 5109760, 7920128, 9900160, 10219520, 15840256, 19800320, 31680512, 39600640, 63361024, 79201280, 158402560, 316805120]

約数ペア:

[(1, 316805120), (2, 158402560), (4, 79201280), (5, 63361024), (8, 39600640), (10, 31680512), (16, 19800320), (20, 15840256), (31, 10219520), (32, 9900160), (40, 7920128), (62, 5109760), (64, 4950080), (80, 3960064), (124, 2554880), (128, 2475040), (155, 2043904), (160, 1980032), (248, 1277440), (256, 1237520), (310, 1021952), (320, 990016), (496, 638720), (499, 634880), (512, 618760), (620, 510976), (640, 495008), (992, 319360), (998, 317440), (1024, 309380), (1240, 255488), (1280, 247504), (1984, 159680), (1996, 158720), (2048, 154690), (2480, 127744), (2495, 126976), (2560, 123752), (3968, 79840), (3992, 79360), (4096, 77345), (4960, 63872), (4990, 63488), (5120, 61876), (7936, 39920), (7984, 39680), (9920, 31936), (9980, 31744), (10240, 30938), (15469, 20480), (15872, 19960), (15968, 19840)]