121998720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{63541}}^1$

素因数の和:63563

約数の個数: 64

約数和(自身を含む): 388877040

約数和(自身を除く): 266878320

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, 320, 384, 480, 640, 960, 1920, 63541, 127082, 190623, 254164, 317705, 381246, 508328, 635410, 762492, 953115, 1016656, 1270820, 1524984, 1906230, 2033312, 2541640, 3049968, 3812460, 4066624, 5083280, 6099936, 7624920, 8133248, 10166560, 12199872, 15249840, 20333120, 24399744, 30499680, 40666240, 60999360, 121998720]

約数ペア:

[(1, 121998720), (2, 60999360), (3, 40666240), (4, 30499680), (5, 24399744), (6, 20333120), (8, 15249840), (10, 12199872), (12, 10166560), (15, 8133248), (16, 7624920), (20, 6099936), (24, 5083280), (30, 4066624), (32, 3812460), (40, 3049968), (48, 2541640), (60, 2033312), (64, 1906230), (80, 1524984), (96, 1270820), (120, 1016656), (128, 953115), (160, 762492), (192, 635410), (240, 508328), (320, 381246), (384, 317705), (480, 254164), (640, 190623), (960, 127082), (1920, 63541)]