About the Number

128649000

128648999 ← → 128649001

2進数表記:111101010110000011100101000

漢数字表記:一億二千八百六十四万九千

素因数分解:

2 3 × 3 1 × 5 3 × 19 1 × 37 1 × 61 1

素因数の和:141
約数の個数: 256
約数和(自身を含む): 441043200
約数和(自身を除く): 312394200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 37, 38, 40, 50, 57, 60, 61, 74, 75, 76, 95, 100, 111, 114, 120, 122, 125, 148, 150, 152, 183, 185, 190, 200, 222, 228, 244, 250, 285, 296, 300, 305, 366, 370, 375, 380, 444, 456, 475, 488, 500, 555, 570, 600, 610, 703, 732, 740, 750, 760, 888, 915, 925, 950, 1000, 1110, 1140, 1159, 1220, 1406, 1425, 1464, 1480, 1500, 1525, 1830, 1850, 1900, 2109, 2220, 2257, 2280, 2318, 2375, 2440, 2775, 2812, 2850, 3000, 3050, 3477, 3515, 3660, 3700, 3800, 4218, 4440, 4514, 4575, 4625, 4636, 4750, 5550, 5624, 5700, 5795, 6100, 6771, 6954, 7030, 7125, 7320, 7400, 7625, 8436, 9028, 9150, 9250, 9272, 9500, 10545, 11100, 11285, 11400, 11590, 12200, 13542, 13875, 13908, 14060, 14250, 15250, 16872, 17385, 17575, 18056, 18300, 18500, 19000, 21090, 22200, 22570, 22875, 23180, 27084, 27750, 27816, 28120, 28500, 28975, 30500, 33855, 34770, 35150, 36600, 37000, 42180, 42883, 45140, 45750, 46360, 52725, 54168, 55500, 56425, 57000, 57950, 61000, 67710, 69540, 70300, 84360, 85766, 86925, 87875, 90280, 91500, 105450, 111000, 112850, 115900, 128649, 135420, 139080, 140600, 144875, 169275, 171532, 173850, 175750, 183000, 210900, 214415, 225700, 231800, 257298, 263625, 270840, 282125, 289750, 338550, 343064, 347700, 351500, 421800, 428830, 434625, 451400, 514596, 527250, 564250, 579500, 643245, 677100, 695400, 703000, 846375, 857660, 869250, 1029192, 1054500, 1072075, 1128500, 1159000, 1286490, 1354200, 1692750, 1715320, 1738500, 2109000, 2144150, 2257000, 2572980, 3216225, 3385500, 3477000, 4288300, 5145960, 5360375, 6432450, 6771000, 8576600, 10720750, 12864900, 16081125, 21441500, 25729800, 32162250, 42883000, 64324500, 128649000]

約数ペア:
[(1, 128649000), (2, 64324500), (3, 42883000), (4, 32162250), (5, 25729800), (6, 21441500), (8, 16081125), (10, 12864900), (12, 10720750), (15, 8576600), (19, 6771000), (20, 6432450), (24, 5360375), (25, 5145960), (30, 4288300), (37, 3477000), (38, 3385500), (40, 3216225), (50, 2572980), (57, 2257000), (60, 2144150), (61, 2109000), (74, 1738500), (75, 1715320), (76, 1692750), (95, 1354200), (100, 1286490), (111, 1159000), (114, 1128500), (120, 1072075), (122, 1054500), (125, 1029192), (148, 869250), (150, 857660), (152, 846375), (183, 703000), (185, 695400), (190, 677100), (200, 643245), (222, 579500), (228, 564250), (244, 527250), (250, 514596), (285, 451400), (296, 434625), (300, 428830), (305, 421800), (366, 351500), (370, 347700), (375, 343064), (380, 338550), (444, 289750), (456, 282125), (475, 270840), (488, 263625), (500, 257298), (555, 231800), (570, 225700), (600, 214415), (610, 210900), (703, 183000), (732, 175750), (740, 173850), (750, 171532), (760, 169275), (888, 144875), (915, 140600), (925, 139080), (950, 135420), (1000, 128649), (1110, 115900), (1140, 112850), (1159, 111000), (1220, 105450), (1406, 91500), (1425, 90280), (1464, 87875), (1480, 86925), (1500, 85766), (1525, 84360), (1830, 70300), (1850, 69540), (1900, 67710), (2109, 61000), (2220, 57950), (2257, 57000), (2280, 56425), (2318, 55500), (2375, 54168), (2440, 52725), (2775, 46360), (2812, 45750), (2850, 45140), (3000, 42883), (3050, 42180), (3477, 37000), (3515, 36600), (3660, 35150), (3700, 34770), (3800, 33855), (4218, 30500), (4440, 28975), (4514, 28500), (4575, 28120), (4625, 27816), (4636, 27750), (4750, 27084), (5550, 23180), (5624, 22875), (5700, 22570), (5795, 22200), (6100, 21090), (6771, 19000), (6954, 18500), (7030, 18300), (7125, 18056), (7320, 17575), (7400, 17385), (7625, 16872), (8436, 15250), (9028, 14250), (9150, 14060), (9250, 13908), (9272, 13875), (9500, 13542), (10545, 12200), (11100, 11590), (11285, 11400)]

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