51681000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 256

約数和(自身を含む): 194088960

約数和(自身を除く): 142407960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 25, 28, 30, 35, 40, 42, 46, 50, 56, 60, 69, 70, 75, 84, 92, 100, 105, 107, 115, 120, 125, 138, 140, 150, 161, 168, 175, 184, 200, 210, 214, 230, 250, 276, 280, 300, 321, 322, 345, 350, 375, 420, 428, 460, 483, 500, 525, 535, 552, 575, 600, 642, 644, 690, 700, 749, 750, 805, 840, 856, 875, 920, 966, 1000, 1050, 1070, 1150, 1284, 1288, 1380, 1400, 1498, 1500, 1605, 1610, 1725, 1750, 1932, 2100, 2140, 2247, 2300, 2415, 2461, 2568, 2625, 2675, 2760, 2875, 2996, 3000, 3210, 3220, 3450, 3500, 3745, 3864, 4025, 4200, 4280, 4494, 4600, 4830, 4922, 5250, 5350, 5750, 5992, 6420, 6440, 6900, 7000, 7383, 7490, 8025, 8050, 8625, 8988, 9660, 9844, 10500, 10700, 11235, 11500, 12075, 12305, 12840, 13375, 13800, 14766, 14980, 16050, 16100, 17227, 17250, 17976, 18725, 19320, 19688, 20125, 21000, 21400, 22470, 23000, 24150, 24610, 26750, 29532, 29960, 32100, 32200, 34454, 34500, 36915, 37450, 40125, 40250, 44940, 48300, 49220, 51681, 53500, 56175, 59064, 60375, 61525, 64200, 68908, 69000, 73830, 74900, 80250, 80500, 86135, 89880, 93625, 96600, 98440, 103362, 107000, 112350, 120750, 123050, 137816, 147660, 149800, 160500, 161000, 172270, 184575, 187250, 206724, 224700, 241500, 246100, 258405, 280875, 295320, 307625, 321000, 344540, 369150, 374500, 413448, 430675, 449400, 483000, 492200, 516810, 561750, 615250, 689080, 738300, 749000, 861350, 922875, 1033620, 1123500, 1230500, 1292025, 1476600, 1722700, 1845750, 2067240, 2153375, 2247000, 2461000, 2584050, 3445400, 3691500, 4306750, 5168100, 6460125, 7383000, 8613500, 10336200, 12920250, 17227000, 25840500, 51681000]

約数ペア:

[(1, 51681000), (2, 25840500), (3, 17227000), (4, 12920250), (5, 10336200), (6, 8613500), (7, 7383000), (8, 6460125), (10, 5168100), (12, 4306750), (14, 3691500), (15, 3445400), (20, 2584050), (21, 2461000), (23, 2247000), (24, 2153375), (25, 2067240), (28, 1845750), (30, 1722700), (35, 1476600), (40, 1292025), (42, 1230500), (46, 1123500), (50, 1033620), (56, 922875), (60, 861350), (69, 749000), (70, 738300), (75, 689080), (84, 615250), (92, 561750), (100, 516810), (105, 492200), (107, 483000), (115, 449400), (120, 430675), (125, 413448), (138, 374500), (140, 369150), (150, 344540), (161, 321000), (168, 307625), (175, 295320), (184, 280875), (200, 258405), (210, 246100), (214, 241500), (230, 224700), (250, 206724), (276, 187250), (280, 184575), (300, 172270), (321, 161000), (322, 160500), (345, 149800), (350, 147660), (375, 137816), (420, 123050), (428, 120750), (460, 112350), (483, 107000), (500, 103362), (525, 98440), (535, 96600), (552, 93625), (575, 89880), (600, 86135), (642, 80500), (644, 80250), (690, 74900), (700, 73830), (749, 69000), (750, 68908), (805, 64200), (840, 61525), (856, 60375), (875, 59064), (920, 56175), (966, 53500), (1000, 51681), (1050, 49220), (1070, 48300), (1150, 44940), (1284, 40250), (1288, 40125), (1380, 37450), (1400, 36915), (1498, 34500), (1500, 34454), (1605, 32200), (1610, 32100), (1725, 29960), (1750, 29532), (1932, 26750), (2100, 24610), (2140, 24150), (2247, 23000), (2300, 22470), (2415, 21400), (2461, 21000), (2568, 20125), (2625, 19688), (2675, 19320), (2760, 18725), (2875, 17976), (2996, 17250), (3000, 17227), (3210, 16100), (3220, 16050), (3450, 14980), (3500, 14766), (3745, 13800), (3864, 13375), (4025, 12840), (4200, 12305), (4280, 12075), (4494, 11500), (4600, 11235), (4830, 10700), (4922, 10500), (5250, 9844), (5350, 9660), (5750, 8988), (5992, 8625), (6420, 8050), (6440, 8025), (6900, 7490), (7000, 7383)]