19829760

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1291}}^1$

素因数の和:1319

約数の個数: 88

約数和(自身を含む): 63473376

約数和(自身を除く): 43643616

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, 512, 640, 768, 960, 1024, 1280, 1291, 1536, 1920, 2560, 2582, 3072, 3840, 3873, 5120, 5164, 6455, 7680, 7746, 10328, 12910, 15360, 15492, 19365, 20656, 25820, 30984, 38730, 41312, 51640, 61968, 77460, 82624, 103280, 123936, 154920, 165248, 206560, 247872, 309840, 330496, 413120, 495744, 619680, 660992, 826240, 991488, 1239360, 1321984, 1652480, 1982976, 2478720, 3304960, 3965952, 4957440, 6609920, 9914880, 19829760]

約数ペア:

[(1, 19829760), (2, 9914880), (3, 6609920), (4, 4957440), (5, 3965952), (6, 3304960), (8, 2478720), (10, 1982976), (12, 1652480), (15, 1321984), (16, 1239360), (20, 991488), (24, 826240), (30, 660992), (32, 619680), (40, 495744), (48, 413120), (60, 330496), (64, 309840), (80, 247872), (96, 206560), (120, 165248), (128, 154920), (160, 123936), (192, 103280), (240, 82624), (256, 77460), (320, 61968), (384, 51640), (480, 41312), (512, 38730), (640, 30984), (768, 25820), (960, 20656), (1024, 19365), (1280, 15492), (1291, 15360), (1536, 12910), (1920, 10328), (2560, 7746), (2582, 7680), (3072, 6455), (3840, 5164), (3873, 5120)]