About the Number

212042880

212042879 ← → 212042881

2進数表記:1100101000111000010010000000

漢数字表記:二億千二百四万二千八百八十

素因数分解:

2 7 × 3 3 × 5 1 × 7 1 × 1753 1

素因数の和:1788
約数の個数: 256
約数和(自身を含む): 858758400
約数和(自身を除く): 646715520

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1753, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3506, 3780, 4032, 4320, 4480, 5040, 5259, 5760, 6048, 6720, 7012, 7560, 8064, 8640, 8765, 10080, 10518, 12096, 12271, 13440, 14024, 15120, 15777, 17280, 17530, 20160, 21036, 24192, 24542, 26295, 28048, 30240, 31554, 35060, 36813, 40320, 42072, 47331, 49084, 52590, 56096, 60480, 61355, 63108, 70120, 73626, 78885, 84144, 94662, 98168, 105180, 110439, 112192, 120960, 122710, 126216, 140240, 147252, 157770, 168288, 184065, 189324, 196336, 210360, 220878, 224384, 236655, 245420, 252432, 280480, 294504, 315540, 331317, 336576, 368130, 378648, 392672, 420720, 441756, 473310, 490840, 504864, 552195, 560960, 589008, 631080, 662634, 673152, 736260, 757296, 785344, 841440, 883512, 946620, 981680, 1009728, 1104390, 1121920, 1178016, 1262160, 1325268, 1472520, 1514592, 1570688, 1656585, 1682880, 1767024, 1893240, 1963360, 2019456, 2208780, 2356032, 2524320, 2650536, 2945040, 3029184, 3313170, 3365760, 3534048, 3786480, 3926720, 4417560, 4712064, 5048640, 5301072, 5890080, 6058368, 6626340, 7068096, 7572960, 7853440, 8835120, 10097280, 10602144, 11780160, 13252680, 14136192, 15145920, 17670240, 21204288, 23560320, 26505360, 30291840, 35340480, 42408576, 53010720, 70680960, 106021440, 212042880]

約数ペア:
[(1, 212042880), (2, 106021440), (3, 70680960), (4, 53010720), (5, 42408576), (6, 35340480), (7, 30291840), (8, 26505360), (9, 23560320), (10, 21204288), (12, 17670240), (14, 15145920), (15, 14136192), (16, 13252680), (18, 11780160), (20, 10602144), (21, 10097280), (24, 8835120), (27, 7853440), (28, 7572960), (30, 7068096), (32, 6626340), (35, 6058368), (36, 5890080), (40, 5301072), (42, 5048640), (45, 4712064), (48, 4417560), (54, 3926720), (56, 3786480), (60, 3534048), (63, 3365760), (64, 3313170), (70, 3029184), (72, 2945040), (80, 2650536), (84, 2524320), (90, 2356032), (96, 2208780), (105, 2019456), (108, 1963360), (112, 1893240), (120, 1767024), (126, 1682880), (128, 1656585), (135, 1570688), (140, 1514592), (144, 1472520), (160, 1325268), (168, 1262160), (180, 1178016), (189, 1121920), (192, 1104390), (210, 1009728), (216, 981680), (224, 946620), (240, 883512), (252, 841440), (270, 785344), (280, 757296), (288, 736260), (315, 673152), (320, 662634), (336, 631080), (360, 589008), (378, 560960), (384, 552195), (420, 504864), (432, 490840), (448, 473310), (480, 441756), (504, 420720), (540, 392672), (560, 378648), (576, 368130), (630, 336576), (640, 331317), (672, 315540), (720, 294504), (756, 280480), (840, 252432), (864, 245420), (896, 236655), (945, 224384), (960, 220878), (1008, 210360), (1080, 196336), (1120, 189324), (1152, 184065), (1260, 168288), (1344, 157770), (1440, 147252), (1512, 140240), (1680, 126216), (1728, 122710), (1753, 120960), (1890, 112192), (1920, 110439), (2016, 105180), (2160, 98168), (2240, 94662), (2520, 84144), (2688, 78885), (2880, 73626), (3024, 70120), (3360, 63108), (3456, 61355), (3506, 60480), (3780, 56096), (4032, 52590), (4320, 49084), (4480, 47331), (5040, 42072), (5259, 40320), (5760, 36813), (6048, 35060), (6720, 31554), (7012, 30240), (7560, 28048), (8064, 26295), (8640, 24542), (8765, 24192), (10080, 21036), (10518, 20160), (12096, 17530), (12271, 17280), (13440, 15777), (14024, 15120)]

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