28520121000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71479}}^1$

素因数の和:71529

約数の個数: 256

約数和(自身を含む): 107048448000

約数和(自身を除く): 78528327000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 50, 56, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 120, 125, 133, 140, 150, 152, 168, 175, 190, 200, 210, 228, 250, 266, 280, 285, 300, 350, 375, 380, 399, 420, 456, 475, 500, 525, 532, 570, 600, 665, 700, 750, 760, 798, 840, 875, 950, 1000, 1050, 1064, 1140, 1330, 1400, 1425, 1500, 1596, 1750, 1900, 1995, 2100, 2280, 2375, 2625, 2660, 2850, 3000, 3192, 3325, 3500, 3800, 3990, 4200, 4750, 5250, 5320, 5700, 6650, 7000, 7125, 7980, 9500, 9975, 10500, 11400, 13300, 14250, 15960, 16625, 19000, 19950, 21000, 26600, 28500, 33250, 39900, 49875, 57000, 66500, 71479, 79800, 99750, 133000, 142958, 199500, 214437, 285916, 357395, 399000, 428874, 500353, 571832, 714790, 857748, 1000706, 1072185, 1358101, 1429580, 1501059, 1715496, 1786975, 2001412, 2144370, 2501765, 2716202, 2859160, 3002118, 3573950, 4002824, 4074303, 4288740, 5003530, 5360925, 5432404, 6004236, 6790505, 7147900, 7505295, 8148606, 8577480, 8934875, 9506707, 10007060, 10721850, 10864808, 12008472, 12508825, 13581010, 14295800, 15010590, 16297212, 17869750, 19013414, 20014120, 20371515, 21443700, 25017650, 26804625, 27162020, 28520121, 30021180, 32594424, 33952525, 35739500, 37526475, 38026828, 40743030, 42887400, 47533535, 50035300, 53609250, 54324040, 57040242, 60042360, 62544125, 67905050, 71479000, 75052950, 76053656, 81486060, 95067070, 100070600, 101857575, 107218500, 114080484, 125088250, 135810100, 142600605, 150105900, 162972120, 169762625, 187632375, 190134140, 203715150, 214437000, 228160968, 237667675, 250176500, 271620200, 285201210, 300211800, 339525250, 375264750, 380268280, 407430300, 475335350, 500353000, 509287875, 570402420, 679050500, 713003025, 750529500, 814860600, 950670700, 1018575750, 1140804840, 1188338375, 1358101000, 1426006050, 1501059000, 1901341400, 2037151500, 2376676750, 2852012100, 3565015125, 4074303000, 4753353500, 5704024200, 7130030250, 9506707000, 14260060500, 28520121000]

約数ペア:

[(1, 28520121000), (2, 14260060500), (3, 9506707000), (4, 7130030250), (5, 5704024200), (6, 4753353500), (7, 4074303000), (8, 3565015125), (10, 2852012100), (12, 2376676750), (14, 2037151500), (15, 1901341400), (19, 1501059000), (20, 1426006050), (21, 1358101000), (24, 1188338375), (25, 1140804840), (28, 1018575750), (30, 950670700), (35, 814860600), (38, 750529500), (40, 713003025), (42, 679050500), (50, 570402420), (56, 509287875), (57, 500353000), (60, 475335350), (70, 407430300), (75, 380268280), (76, 375264750), (84, 339525250), (95, 300211800), (100, 285201210), (105, 271620200), (114, 250176500), (120, 237667675), (125, 228160968), (133, 214437000), (140, 203715150), (150, 190134140), (152, 187632375), (168, 169762625), (175, 162972120), (190, 150105900), (200, 142600605), (210, 135810100), (228, 125088250), (250, 114080484), (266, 107218500), (280, 101857575), (285, 100070600), (300, 95067070), (350, 81486060), (375, 76053656), (380, 75052950), (399, 71479000), (420, 67905050), (456, 62544125), (475, 60042360), (500, 57040242), (525, 54324040), (532, 53609250), (570, 50035300), (600, 47533535), (665, 42887400), (700, 40743030), (750, 38026828), (760, 37526475), (798, 35739500), (840, 33952525), (875, 32594424), (950, 30021180), (1000, 28520121), (1050, 27162020), (1064, 26804625), (1140, 25017650), (1330, 21443700), (1400, 20371515), (1425, 20014120), (1500, 19013414), (1596, 17869750), (1750, 16297212), (1900, 15010590), (1995, 14295800), (2100, 13581010), (2280, 12508825), (2375, 12008472), (2625, 10864808), (2660, 10721850), (2850, 10007060), (3000, 9506707), (3192, 8934875), (3325, 8577480), (3500, 8148606), (3800, 7505295), (3990, 7147900), (4200, 6790505), (4750, 6004236), (5250, 5432404), (5320, 5360925), (5700, 5003530), (6650, 4288740), (7000, 4074303), (7125, 4002824), (7980, 3573950), (9500, 3002118), (9975, 2859160), (10500, 2716202), (11400, 2501765), (13300, 2144370), (14250, 2001412), (15960, 1786975), (16625, 1715496), (19000, 1501059), (19950, 1429580), (21000, 1358101), (26600, 1072185), (28500, 1000706), (33250, 857748), (39900, 714790), (49875, 571832), (57000, 500353), (66500, 428874), (71479, 399000), (79800, 357395), (99750, 285916), (133000, 214437), (142958, 199500)]