78846720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20533}}^1$

素因数の和:20557

約数の個数: 72

約数和(自身を含む): 251828976

約数和(自身を除く): 172982256

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, 20533, 41066, 61599, 82132, 102665, 123198, 164264, 205330, 246396, 307995, 328528, 410660, 492792, 615990, 657056, 821320, 985584, 1231980, 1314112, 1642640, 1971168, 2463960, 2628224, 3285280, 3942336, 4927920, 5256448, 6570560, 7884672, 9855840, 13141120, 15769344, 19711680, 26282240, 39423360, 78846720]

約数ペア:

[(1, 78846720), (2, 39423360), (3, 26282240), (4, 19711680), (5, 15769344), (6, 13141120), (8, 9855840), (10, 7884672), (12, 6570560), (15, 5256448), (16, 4927920), (20, 3942336), (24, 3285280), (30, 2628224), (32, 2463960), (40, 1971168), (48, 1642640), (60, 1314112), (64, 1231980), (80, 985584), (96, 821320), (120, 657056), (128, 615990), (160, 492792), (192, 410660), (240, 328528), (256, 307995), (320, 246396), (384, 205330), (480, 164264), (640, 123198), (768, 102665), (960, 82132), (1280, 61599), (1920, 41066), (3840, 20533)]