78961920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20563}}^1$

素因数の和:20587

約数の個数: 72

約数和(自身を含む): 252196896

約数和(自身を除く): 173234976

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, 20563, 41126, 61689, 82252, 102815, 123378, 164504, 205630, 246756, 308445, 329008, 411260, 493512, 616890, 658016, 822520, 987024, 1233780, 1316032, 1645040, 1974048, 2467560, 2632064, 3290080, 3948096, 4935120, 5264128, 6580160, 7896192, 9870240, 13160320, 15792384, 19740480, 26320640, 39480960, 78961920]

約数ペア:

[(1, 78961920), (2, 39480960), (3, 26320640), (4, 19740480), (5, 15792384), (6, 13160320), (8, 9870240), (10, 7896192), (12, 6580160), (15, 5264128), (16, 4935120), (20, 3948096), (24, 3290080), (30, 2632064), (32, 2467560), (40, 1974048), (48, 1645040), (60, 1316032), (64, 1233780), (80, 987024), (96, 822520), (120, 658016), (128, 616890), (160, 493512), (192, 411260), (240, 329008), (256, 308445), (320, 246756), (384, 205630), (480, 164504), (640, 123378), (768, 102815), (960, 82252), (1280, 61689), (1920, 41126), (3840, 20563)]