About the Number

121408920

121408919 ← → 121408921

2進数表記:111001111001000110110011000

漢数字表記:一億二千百四十万八千九百二十

素因数分解:

2 3 × 3 2 × 5 1 × 163 1 × 2069 1

素因数の和:2249
約数の個数: 96
約数和(自身を含む): 397191600
約数和(自身を除く): 275782680

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 163, 180, 326, 360, 489, 652, 815, 978, 1304, 1467, 1630, 1956, 2069, 2445, 2934, 3260, 3912, 4138, 4890, 5868, 6207, 6520, 7335, 8276, 9780, 10345, 11736, 12414, 14670, 16552, 18621, 19560, 20690, 24828, 29340, 31035, 37242, 41380, 49656, 58680, 62070, 74484, 82760, 93105, 124140, 148968, 186210, 248280, 337247, 372420, 674494, 744840, 1011741, 1348988, 1686235, 2023482, 2697976, 3035223, 3372470, 4046964, 5058705, 6070446, 6744940, 8093928, 10117410, 12140892, 13489880, 15176115, 20234820, 24281784, 30352230, 40469640, 60704460, 121408920]

約数ペア:
[(1, 121408920), (2, 60704460), (3, 40469640), (4, 30352230), (5, 24281784), (6, 20234820), (8, 15176115), (9, 13489880), (10, 12140892), (12, 10117410), (15, 8093928), (18, 6744940), (20, 6070446), (24, 5058705), (30, 4046964), (36, 3372470), (40, 3035223), (45, 2697976), (60, 2023482), (72, 1686235), (90, 1348988), (120, 1011741), (163, 744840), (180, 674494), (326, 372420), (360, 337247), (489, 248280), (652, 186210), (815, 148968), (978, 124140), (1304, 93105), (1467, 82760), (1630, 74484), (1956, 62070), (2069, 58680), (2445, 49656), (2934, 41380), (3260, 37242), (3912, 31035), (4138, 29340), (4890, 24828), (5868, 20690), (6207, 19560), (6520, 18621), (7335, 16552), (8276, 14670), (9780, 12414), (10345, 11736)]

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