72451520

素因数分解:

$2^6\times 5^1\times {\mathrm{373}}^1\times {\mathrm{607}}^1$

素因数の和:997

約数の個数: 56

約数和(自身を含む): 173272704

約数和(自身を除く): 100821184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 373, 607, 746, 1214, 1492, 1865, 2428, 2984, 3035, 3730, 4856, 5968, 6070, 7460, 9712, 11936, 12140, 14920, 19424, 23872, 24280, 29840, 38848, 48560, 59680, 97120, 119360, 194240, 226411, 452822, 905644, 1132055, 1811288, 2264110, 3622576, 4528220, 7245152, 9056440, 14490304, 18112880, 36225760, 72451520]

約数ペア:

[(1, 72451520), (2, 36225760), (4, 18112880), (5, 14490304), (8, 9056440), (10, 7245152), (16, 4528220), (20, 3622576), (32, 2264110), (40, 1811288), (64, 1132055), (80, 905644), (160, 452822), (320, 226411), (373, 194240), (607, 119360), (746, 97120), (1214, 59680), (1492, 48560), (1865, 38848), (2428, 29840), (2984, 24280), (3035, 23872), (3730, 19424), (4856, 14920), (5968, 12140), (6070, 11936), (7460, 9712)]