51121920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13313}}^1$

素因数の和:13337

約数の個数: 72

約数和(自身を含む): 163282896

約数和(自身を除く): 112160976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 13313, 26626, 39939, 53252, 66565, 79878, 106504, 133130, 159756, 199695, 213008, 266260, 319512, 399390, 426016, 532520, 639024, 798780, 852032, 1065040, 1278048, 1597560, 1704064, 2130080, 2556096, 3195120, 3408128, 4260160, 5112192, 6390240, 8520320, 10224384, 12780480, 17040640, 25560960, 51121920]

約数ペア:

[(1, 51121920), (2, 25560960), (3, 17040640), (4, 12780480), (5, 10224384), (6, 8520320), (8, 6390240), (10, 5112192), (12, 4260160), (15, 3408128), (16, 3195120), (20, 2556096), (24, 2130080), (30, 1704064), (32, 1597560), (40, 1278048), (48, 1065040), (60, 852032), (64, 798780), (80, 639024), (96, 532520), (120, 426016), (128, 399390), (160, 319512), (192, 266260), (240, 213008), (256, 199695), (320, 159756), (384, 133130), (480, 106504), (640, 79878), (768, 66565), (960, 53252), (1280, 39939), (1920, 26626), (3840, 13313)]