About the Number

128215200

128215199 ← → 128215201

2進数表記:111101001000110100010100000

漢数字表記:一億二千八百二十一万五千二百

素因数分解:

2 5 × 3 1 × 5 2 × 41 1 × 1303 1

素因数の和:1367
約数の個数: 144
約数和(自身を含む): 427847616
約数和(自身を除く): 299632416

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 75, 80, 82, 96, 100, 120, 123, 150, 160, 164, 200, 205, 240, 246, 300, 328, 400, 410, 480, 492, 600, 615, 656, 800, 820, 984, 1025, 1200, 1230, 1303, 1312, 1640, 1968, 2050, 2400, 2460, 2606, 3075, 3280, 3909, 3936, 4100, 4920, 5212, 6150, 6515, 6560, 7818, 8200, 9840, 10424, 12300, 13030, 15636, 16400, 19545, 19680, 20848, 24600, 26060, 31272, 32575, 32800, 39090, 41696, 49200, 52120, 53423, 62544, 65150, 78180, 97725, 98400, 104240, 106846, 125088, 130300, 156360, 160269, 195450, 208480, 213692, 260600, 267115, 312720, 320538, 390900, 427384, 521200, 534230, 625440, 641076, 781800, 801345, 854768, 1042400, 1068460, 1282152, 1335575, 1563600, 1602690, 1709536, 2136920, 2564304, 2671150, 3127200, 3205380, 4006725, 4273840, 5128608, 5342300, 6410760, 8013450, 8547680, 10684600, 12821520, 16026900, 21369200, 25643040, 32053800, 42738400, 64107600, 128215200]

約数ペア:
[(1, 128215200), (2, 64107600), (3, 42738400), (4, 32053800), (5, 25643040), (6, 21369200), (8, 16026900), (10, 12821520), (12, 10684600), (15, 8547680), (16, 8013450), (20, 6410760), (24, 5342300), (25, 5128608), (30, 4273840), (32, 4006725), (40, 3205380), (41, 3127200), (48, 2671150), (50, 2564304), (60, 2136920), (75, 1709536), (80, 1602690), (82, 1563600), (96, 1335575), (100, 1282152), (120, 1068460), (123, 1042400), (150, 854768), (160, 801345), (164, 781800), (200, 641076), (205, 625440), (240, 534230), (246, 521200), (300, 427384), (328, 390900), (400, 320538), (410, 312720), (480, 267115), (492, 260600), (600, 213692), (615, 208480), (656, 195450), (800, 160269), (820, 156360), (984, 130300), (1025, 125088), (1200, 106846), (1230, 104240), (1303, 98400), (1312, 97725), (1640, 78180), (1968, 65150), (2050, 62544), (2400, 53423), (2460, 52120), (2606, 49200), (3075, 41696), (3280, 39090), (3909, 32800), (3936, 32575), (4100, 31272), (4920, 26060), (5212, 24600), (6150, 20848), (6515, 19680), (6560, 19545), (7818, 16400), (8200, 15636), (9840, 13030), (10424, 12300)]

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