About the Number

20280240

20280239 ← → 20280241

2進数表記:1001101010111001110110000

漢数字表記:二千二十八万二百四十

素因数分解:

2 4 × 3 3 × 5 1 × 41 1 × 229 1

素因数の和:292
約数の個数: 160
約数和(自身を含む): 71870400
約数和(自身を除く): 51590160

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 72, 80, 82, 90, 108, 120, 123, 135, 144, 164, 180, 205, 216, 229, 240, 246, 270, 328, 360, 369, 410, 432, 458, 492, 540, 615, 656, 687, 720, 738, 820, 916, 984, 1080, 1107, 1145, 1230, 1374, 1476, 1640, 1832, 1845, 1968, 2061, 2160, 2214, 2290, 2460, 2748, 2952, 3280, 3435, 3664, 3690, 4122, 4428, 4580, 4920, 5496, 5535, 5904, 6183, 6870, 7380, 8244, 8856, 9160, 9389, 9840, 10305, 10992, 11070, 12366, 13740, 14760, 16488, 17712, 18320, 18778, 20610, 22140, 24732, 27480, 28167, 29520, 30915, 32976, 37556, 41220, 44280, 46945, 49464, 54960, 56334, 61830, 75112, 82440, 84501, 88560, 93890, 98928, 112668, 123660, 140835, 150224, 164880, 169002, 187780, 225336, 247320, 253503, 281670, 338004, 375560, 422505, 450672, 494640, 507006, 563340, 676008, 751120, 845010, 1014012, 1126680, 1267515, 1352016, 1690020, 2028024, 2253360, 2535030, 3380040, 4056048, 5070060, 6760080, 10140120, 20280240]

約数ペア:
[(1, 20280240), (2, 10140120), (3, 6760080), (4, 5070060), (5, 4056048), (6, 3380040), (8, 2535030), (9, 2253360), (10, 2028024), (12, 1690020), (15, 1352016), (16, 1267515), (18, 1126680), (20, 1014012), (24, 845010), (27, 751120), (30, 676008), (36, 563340), (40, 507006), (41, 494640), (45, 450672), (48, 422505), (54, 375560), (60, 338004), (72, 281670), (80, 253503), (82, 247320), (90, 225336), (108, 187780), (120, 169002), (123, 164880), (135, 150224), (144, 140835), (164, 123660), (180, 112668), (205, 98928), (216, 93890), (229, 88560), (240, 84501), (246, 82440), (270, 75112), (328, 61830), (360, 56334), (369, 54960), (410, 49464), (432, 46945), (458, 44280), (492, 41220), (540, 37556), (615, 32976), (656, 30915), (687, 29520), (720, 28167), (738, 27480), (820, 24732), (916, 22140), (984, 20610), (1080, 18778), (1107, 18320), (1145, 17712), (1230, 16488), (1374, 14760), (1476, 13740), (1640, 12366), (1832, 11070), (1845, 10992), (1968, 10305), (2061, 9840), (2160, 9389), (2214, 9160), (2290, 8856), (2460, 8244), (2748, 7380), (2952, 6870), (3280, 6183), (3435, 5904), (3664, 5535), (3690, 5496), (4122, 4920), (4428, 4580)]

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