123853440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:530

約数の個数: 128

約数和(自身を含む): 397897920

約数和(自身を除く): 274044480

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, 251, 257, 320, 384, 480, 502, 514, 640, 753, 771, 960, 1004, 1028, 1255, 1285, 1506, 1542, 1920, 2008, 2056, 2510, 2570, 3012, 3084, 3765, 3855, 4016, 4112, 5020, 5140, 6024, 6168, 7530, 7710, 8032, 8224, 10040, 10280, 12048, 12336, 15060, 15420, 16064, 16448, 20080, 20560, 24096, 24672, 30120, 30840, 32128, 32896, 40160, 41120, 48192, 49344, 60240, 61680, 64507, 80320, 82240, 96384, 98688, 120480, 123360, 129014, 160640, 164480, 193521, 240960, 246720, 258028, 322535, 387042, 481920, 493440, 516056, 645070, 774084, 967605, 1032112, 1290140, 1548168, 1935210, 2064224, 2580280, 3096336, 3870420, 4128448, 5160560, 6192672, 7740840, 8256896, 10321120, 12385344, 15481680, 20642240, 24770688, 30963360, 41284480, 61926720, 123853440]

約数ペア:

[(1, 123853440), (2, 61926720), (3, 41284480), (4, 30963360), (5, 24770688), (6, 20642240), (8, 15481680), (10, 12385344), (12, 10321120), (15, 8256896), (16, 7740840), (20, 6192672), (24, 5160560), (30, 4128448), (32, 3870420), (40, 3096336), (48, 2580280), (60, 2064224), (64, 1935210), (80, 1548168), (96, 1290140), (120, 1032112), (128, 967605), (160, 774084), (192, 645070), (240, 516056), (251, 493440), (257, 481920), (320, 387042), (384, 322535), (480, 258028), (502, 246720), (514, 240960), (640, 193521), (753, 164480), (771, 160640), (960, 129014), (1004, 123360), (1028, 120480), (1255, 98688), (1285, 96384), (1506, 82240), (1542, 80320), (1920, 64507), (2008, 61680), (2056, 60240), (2510, 49344), (2570, 48192), (3012, 41120), (3084, 40160), (3765, 32896), (3855, 32128), (4016, 30840), (4112, 30120), (5020, 24672), (5140, 24096), (6024, 20560), (6168, 20080), (7530, 16448), (7710, 16064), (8032, 15420), (8224, 15060), (10040, 12336), (10280, 12048)]