279707520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{145681}}^1$

素因数の和:145703

約数の個数: 64

約数和(自身を含む): 891573840

約数和(自身を除く): 611866320

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, 145681, 291362, 437043, 582724, 728405, 874086, 1165448, 1456810, 1748172, 2185215, 2330896, 2913620, 3496344, 4370430, 4661792, 5827240, 6992688, 8740860, 9323584, 11654480, 13985376, 17481720, 18647168, 23308960, 27970752, 34963440, 46617920, 55941504, 69926880, 93235840, 139853760, 279707520]

約数ペア:

[(1, 279707520), (2, 139853760), (3, 93235840), (4, 69926880), (5, 55941504), (6, 46617920), (8, 34963440), (10, 27970752), (12, 23308960), (15, 18647168), (16, 17481720), (20, 13985376), (24, 11654480), (30, 9323584), (32, 8740860), (40, 6992688), (48, 5827240), (60, 4661792), (64, 4370430), (80, 3496344), (96, 2913620), (120, 2330896), (128, 2185215), (160, 1748172), (192, 1456810), (240, 1165448), (320, 874086), (384, 728405), (480, 582724), (640, 437043), (960, 291362), (1920, 145681)]