About the Number

121031640

121031639 ← → 121031641

2進数表記:111001101101100101111011000

漢数字表記:一億二千百三万千六百四十

素因数分解:

2 3 × 3 2 × 5 1 × 336199 1

素因数の和:336216
約数の個数: 48
約数和(自身を含む): 393354000
約数和(自身を除く): 272322360

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, 180, 360, 336199, 672398, 1008597, 1344796, 1680995, 2017194, 2689592, 3025791, 3361990, 4034388, 5042985, 6051582, 6723980, 8068776, 10085970, 12103164, 13447960, 15128955, 20171940, 24206328, 30257910, 40343880, 60515820, 121031640]

約数ペア:
[(1, 121031640), (2, 60515820), (3, 40343880), (4, 30257910), (5, 24206328), (6, 20171940), (8, 15128955), (9, 13447960), (10, 12103164), (12, 10085970), (15, 8068776), (18, 6723980), (20, 6051582), (24, 5042985), (30, 4034388), (36, 3361990), (40, 3025791), (45, 2689592), (60, 2017194), (72, 1680995), (90, 1344796), (120, 1008597), (180, 672398), (360, 336199)]

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