158402560

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 393120000

約数和(自身を除く): 234717440

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, 4960, 4990, 5120, 7936, 7984, 9920, 9980, 10240, 15469, 15872, 15968, 19840, 19960, 30938, 31744, 31936, 39680, 39920, 61876, 63488, 63872, 77345, 79360, 79840, 123752, 127744, 154690, 158720, 159680, 247504, 255488, 309380, 317440, 319360, 495008, 510976, 618760, 638720, 990016, 1021952, 1237520, 1277440, 1980032, 2475040, 2554880, 3960064, 4950080, 5109760, 7920128, 9900160, 15840256, 19800320, 31680512, 39600640, 79201280, 158402560]

約数ペア:

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