1561378000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 320

約数和(自身を含む): 4861688832

約数和(自身を除く): 3300310832

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 25, 26, 28, 35, 40, 46, 50, 52, 56, 65, 70, 80, 91, 92, 100, 104, 112, 115, 125, 130, 140, 161, 175, 182, 184, 200, 208, 230, 250, 260, 280, 299, 322, 325, 350, 364, 368, 373, 400, 455, 460, 500, 520, 560, 575, 598, 644, 650, 700, 728, 746, 805, 875, 910, 920, 1000, 1040, 1150, 1196, 1288, 1300, 1400, 1456, 1492, 1495, 1610, 1625, 1750, 1820, 1840, 1865, 2000, 2093, 2275, 2300, 2392, 2576, 2600, 2611, 2800, 2875, 2984, 2990, 3220, 3250, 3500, 3640, 3730, 4025, 4186, 4550, 4600, 4784, 4849, 5200, 5222, 5750, 5968, 5980, 6440, 6500, 7000, 7280, 7460, 7475, 8050, 8372, 8579, 9100, 9200, 9325, 9698, 10444, 10465, 11375, 11500, 11960, 12880, 13000, 13055, 14000, 14920, 14950, 16100, 16744, 17158, 18200, 18650, 19396, 20125, 20888, 20930, 22750, 23000, 23920, 24245, 26000, 26110, 29840, 29900, 32200, 33488, 33943, 34316, 36400, 37300, 37375, 38792, 40250, 41776, 41860, 42895, 45500, 46000, 46625, 48490, 52220, 52325, 59800, 60053, 64400, 65275, 67886, 68632, 74600, 74750, 77584, 80500, 83720, 85790, 91000, 93250, 96980, 104440, 104650, 111527, 119600, 120106, 121225, 130550, 135772, 137264, 149200, 149500, 161000, 167440, 169715, 171580, 182000, 186500, 193960, 208880, 209300, 214475, 223054, 240212, 242450, 261100, 261625, 271544, 299000, 300265, 322000, 326375, 339430, 343160, 373000, 387920, 418600, 428950, 446108, 480424, 484900, 522200, 523250, 543088, 557635, 598000, 600530, 606125, 652750, 678860, 686320, 746000, 780689, 837200, 848575, 857900, 892216, 960848, 969800, 1044400, 1046500, 1072375, 1115270, 1201060, 1212250, 1305500, 1357720, 1501325, 1561378, 1697150, 1715800, 1784432, 1939600, 2093000, 2144750, 2230540, 2402120, 2424500, 2611000, 2715440, 2788175, 3002650, 3122756, 3394300, 3431600, 3903445, 4186000, 4242875, 4289500, 4461080, 4804240, 4849000, 5222000, 5576350, 6005300, 6245512, 6788600, 7506625, 7806890, 8485750, 8579000, 8922160, 9698000, 11152700, 12010600, 12491024, 13577200, 13940875, 15013250, 15613780, 16971500, 17158000, 19517225, 22305400, 24021200, 27881750, 30026500, 31227560, 33943000, 39034450, 44610800, 55763500, 60053000, 62455120, 67886000, 78068900, 97586125, 111527000, 120106000, 156137800, 195172250, 223054000, 312275600, 390344500, 780689000, 1561378000]

約数ペア:

[(1, 1561378000), (2, 780689000), (4, 390344500), (5, 312275600), (7, 223054000), (8, 195172250), (10, 156137800), (13, 120106000), (14, 111527000), (16, 97586125), (20, 78068900), (23, 67886000), (25, 62455120), (26, 60053000), (28, 55763500), (35, 44610800), (40, 39034450), (46, 33943000), (50, 31227560), (52, 30026500), (56, 27881750), (65, 24021200), (70, 22305400), (80, 19517225), (91, 17158000), (92, 16971500), (100, 15613780), (104, 15013250), (112, 13940875), (115, 13577200), (125, 12491024), (130, 12010600), (140, 11152700), (161, 9698000), (175, 8922160), (182, 8579000), (184, 8485750), (200, 7806890), (208, 7506625), (230, 6788600), (250, 6245512), (260, 6005300), (280, 5576350), (299, 5222000), (322, 4849000), (325, 4804240), (350, 4461080), (364, 4289500), (368, 4242875), (373, 4186000), (400, 3903445), (455, 3431600), (460, 3394300), (500, 3122756), (520, 3002650), (560, 2788175), (575, 2715440), (598, 2611000), (644, 2424500), (650, 2402120), (700, 2230540), (728, 2144750), (746, 2093000), (805, 1939600), (875, 1784432), (910, 1715800), (920, 1697150), (1000, 1561378), (1040, 1501325), (1150, 1357720), (1196, 1305500), (1288, 1212250), (1300, 1201060), (1400, 1115270), (1456, 1072375), (1492, 1046500), (1495, 1044400), (1610, 969800), (1625, 960848), (1750, 892216), (1820, 857900), (1840, 848575), (1865, 837200), (2000, 780689), (2093, 746000), (2275, 686320), (2300, 678860), (2392, 652750), (2576, 606125), (2600, 600530), (2611, 598000), (2800, 557635), (2875, 543088), (2984, 523250), (2990, 522200), (3220, 484900), (3250, 480424), (3500, 446108), (3640, 428950), (3730, 418600), (4025, 387920), (4186, 373000), (4550, 343160), (4600, 339430), (4784, 326375), (4849, 322000), (5200, 300265), (5222, 299000), (5750, 271544), (5968, 261625), (5980, 261100), (6440, 242450), (6500, 240212), (7000, 223054), (7280, 214475), (7460, 209300), (7475, 208880), (8050, 193960), (8372, 186500), (8579, 182000), (9100, 171580), (9200, 169715), (9325, 167440), (9698, 161000), (10444, 149500), (10465, 149200), (11375, 137264), (11500, 135772), (11960, 130550), (12880, 121225), (13000, 120106), (13055, 119600), (14000, 111527), (14920, 104650), (14950, 104440), (16100, 96980), (16744, 93250), (17158, 91000), (18200, 85790), (18650, 83720), (19396, 80500), (20125, 77584), (20888, 74750), (20930, 74600), (22750, 68632), (23000, 67886), (23920, 65275), (24245, 64400), (26000, 60053), (26110, 59800), (29840, 52325), (29900, 52220), (32200, 48490), (33488, 46625), (33943, 46000), (34316, 45500), (36400, 42895), (37300, 41860), (37375, 41776), (38792, 40250)]