About the Number

128126640

128126639 ← → 128126641

2進数表記:111101000110000111010110000

漢数字表記:一億二千八百十二万六千六百四十

素因数分解:

2 4 × 3 1 × 5 1 × 29 1 × 41 1 × 449 1

素因数の和:535
約数の個数: 160
約数和(自身を含む): 421848000
約数和(自身を除く): 293721360

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 41, 48, 58, 60, 80, 82, 87, 116, 120, 123, 145, 164, 174, 205, 232, 240, 246, 290, 328, 348, 410, 435, 449, 464, 492, 580, 615, 656, 696, 820, 870, 898, 984, 1160, 1189, 1230, 1347, 1392, 1640, 1740, 1796, 1968, 2245, 2320, 2378, 2460, 2694, 3280, 3480, 3567, 3592, 4490, 4756, 4920, 5388, 5945, 6735, 6960, 7134, 7184, 8980, 9512, 9840, 10776, 11890, 13021, 13470, 14268, 17835, 17960, 18409, 19024, 21552, 23780, 26042, 26940, 28536, 35670, 35920, 36818, 39063, 47560, 52084, 53880, 55227, 57072, 65105, 71340, 73636, 78126, 92045, 95120, 104168, 107760, 110454, 130210, 142680, 147272, 156252, 184090, 195315, 208336, 220908, 260420, 276135, 285360, 294544, 312504, 368180, 390630, 441816, 520840, 533861, 552270, 625008, 736360, 781260, 883632, 1041680, 1067722, 1104540, 1472720, 1562520, 1601583, 2135444, 2209080, 2669305, 3125040, 3203166, 4270888, 4418160, 5338610, 6406332, 8007915, 8541776, 10677220, 12812664, 16015830, 21354440, 25625328, 32031660, 42708880, 64063320, 128126640]

約数ペア:
[(1, 128126640), (2, 64063320), (3, 42708880), (4, 32031660), (5, 25625328), (6, 21354440), (8, 16015830), (10, 12812664), (12, 10677220), (15, 8541776), (16, 8007915), (20, 6406332), (24, 5338610), (29, 4418160), (30, 4270888), (40, 3203166), (41, 3125040), (48, 2669305), (58, 2209080), (60, 2135444), (80, 1601583), (82, 1562520), (87, 1472720), (116, 1104540), (120, 1067722), (123, 1041680), (145, 883632), (164, 781260), (174, 736360), (205, 625008), (232, 552270), (240, 533861), (246, 520840), (290, 441816), (328, 390630), (348, 368180), (410, 312504), (435, 294544), (449, 285360), (464, 276135), (492, 260420), (580, 220908), (615, 208336), (656, 195315), (696, 184090), (820, 156252), (870, 147272), (898, 142680), (984, 130210), (1160, 110454), (1189, 107760), (1230, 104168), (1347, 95120), (1392, 92045), (1640, 78126), (1740, 73636), (1796, 71340), (1968, 65105), (2245, 57072), (2320, 55227), (2378, 53880), (2460, 52084), (2694, 47560), (3280, 39063), (3480, 36818), (3567, 35920), (3592, 35670), (4490, 28536), (4756, 26940), (4920, 26042), (5388, 23780), (5945, 21552), (6735, 19024), (6960, 18409), (7134, 17960), (7184, 17835), (8980, 14268), (9512, 13470), (9840, 13021), (10776, 11890)]

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