About the Number

128675730

128675729 ← → 128675731

2進数表記:111101010110110111110010010

漢数字表記:一億二千八百六十七万五千七百三十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 83 1 × 1667 1

素因数の和:1791
約数の個数: 64
約数和(自身を含む): 322818048
約数和(自身を除く): 194142318

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 83, 93, 155, 166, 186, 249, 310, 415, 465, 498, 830, 930, 1245, 1667, 2490, 2573, 3334, 5001, 5146, 7719, 8335, 10002, 12865, 15438, 16670, 25005, 25730, 38595, 50010, 51677, 77190, 103354, 138361, 155031, 258385, 276722, 310062, 415083, 516770, 691805, 775155, 830166, 1383610, 1550310, 2075415, 4150830, 4289191, 8578382, 12867573, 21445955, 25735146, 42891910, 64337865, 128675730]

約数ペア:
[(1, 128675730), (2, 64337865), (3, 42891910), (5, 25735146), (6, 21445955), (10, 12867573), (15, 8578382), (30, 4289191), (31, 4150830), (62, 2075415), (83, 1550310), (93, 1383610), (155, 830166), (166, 775155), (186, 691805), (249, 516770), (310, 415083), (415, 310062), (465, 276722), (498, 258385), (830, 155031), (930, 138361), (1245, 103354), (1667, 77190), (2490, 51677), (2573, 50010), (3334, 38595), (5001, 25730), (5146, 25005), (7719, 16670), (8335, 15438), (10002, 12865)]

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