About the Number

126971820

126971819 ← → 126971821

2進数表記:111100100010110111110101100

漢数字表記:一億二千六百九十七万千八百二十

素因数分解:

2 2 × 3 3 × 5 1 × 73 1 × 3221 1

素因数の和:3312
約数の個数: 96
約数和(自身を含む): 400559040
約数和(自身を除く): 273587220

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 540, 657, 730, 876, 1095, 1314, 1460, 1971, 2190, 2628, 3221, 3285, 3942, 4380, 6442, 6570, 7884, 9663, 9855, 12884, 13140, 16105, 19326, 19710, 28989, 32210, 38652, 39420, 48315, 57978, 64420, 86967, 96630, 115956, 144945, 173934, 193260, 235133, 289890, 347868, 434835, 470266, 579780, 705399, 869670, 940532, 1175665, 1410798, 1739340, 2116197, 2351330, 2821596, 3526995, 4232394, 4702660, 6348591, 7053990, 8464788, 10580985, 12697182, 14107980, 21161970, 25394364, 31742955, 42323940, 63485910, 126971820]

約数ペア:
[(1, 126971820), (2, 63485910), (3, 42323940), (4, 31742955), (5, 25394364), (6, 21161970), (9, 14107980), (10, 12697182), (12, 10580985), (15, 8464788), (18, 7053990), (20, 6348591), (27, 4702660), (30, 4232394), (36, 3526995), (45, 2821596), (54, 2351330), (60, 2116197), (73, 1739340), (90, 1410798), (108, 1175665), (135, 940532), (146, 869670), (180, 705399), (219, 579780), (270, 470266), (292, 434835), (365, 347868), (438, 289890), (540, 235133), (657, 193260), (730, 173934), (876, 144945), (1095, 115956), (1314, 96630), (1460, 86967), (1971, 64420), (2190, 57978), (2628, 48315), (3221, 39420), (3285, 38652), (3942, 32210), (4380, 28989), (6442, 19710), (6570, 19326), (7884, 16105), (9663, 13140), (9855, 12884)]

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