19992189600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{1303}}^1\times {\mathrm{2131}}^1$

素因数の和:3460

約数の個数: 216

約数和(自身を含む): 70584669792

約数和(自身を除く): 50592480192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1303, 1440, 1800, 2131, 2400, 2606, 3600, 3909, 4262, 5212, 6393, 6515, 7200, 7818, 8524, 10424, 10655, 11727, 12786, 13030, 15636, 17048, 19179, 19545, 20848, 21310, 23454, 25572, 26060, 31272, 31965, 32575, 34096, 38358, 39090, 41696, 42620, 46908, 51144, 52120, 53275, 58635, 62544, 63930, 65150, 68192, 76716, 78180, 85240, 93816, 95895, 97725, 102288, 104240, 106550, 117270, 125088, 127860, 130300, 153432, 156360, 159825, 170480, 187632, 191790, 195450, 204576, 208480, 213100, 234540, 255720, 260600, 293175, 306864, 312720, 319650, 340960, 375264, 383580, 390900, 426200, 469080, 479475, 511440, 521200, 586350, 613728, 625440, 639300, 767160, 781800, 852400, 938160, 958950, 1022880, 1042400, 1172700, 1278600, 1534320, 1563600, 1704800, 1876320, 1917900, 2345400, 2557200, 2776693, 3068640, 3127200, 3835800, 4690800, 5114400, 5553386, 7671600, 8330079, 9381600, 11106772, 13883465, 15343200, 16660158, 22213544, 24990237, 27766930, 33320316, 41650395, 44427088, 49980474, 55533860, 66640632, 69417325, 83300790, 88854176, 99960948, 111067720, 124951185, 133281264, 138834650, 166601580, 199921896, 208251975, 222135440, 249902370, 266562528, 277669300, 333203160, 399843792, 416503950, 444270880, 499804740, 555338600, 624755925, 666406320, 799687584, 833007900, 999609480, 1110677200, 1249511850, 1332812640, 1666015800, 1999218960, 2221354400, 2499023700, 3332031600, 3998437920, 4998047400, 6664063200, 9996094800, 19992189600]

約数ペア:

[(1, 19992189600), (2, 9996094800), (3, 6664063200), (4, 4998047400), (5, 3998437920), (6, 3332031600), (8, 2499023700), (9, 2221354400), (10, 1999218960), (12, 1666015800), (15, 1332812640), (16, 1249511850), (18, 1110677200), (20, 999609480), (24, 833007900), (25, 799687584), (30, 666406320), (32, 624755925), (36, 555338600), (40, 499804740), (45, 444270880), (48, 416503950), (50, 399843792), (60, 333203160), (72, 277669300), (75, 266562528), (80, 249902370), (90, 222135440), (96, 208251975), (100, 199921896), (120, 166601580), (144, 138834650), (150, 133281264), (160, 124951185), (180, 111067720), (200, 99960948), (225, 88854176), (240, 83300790), (288, 69417325), (300, 66640632), (360, 55533860), (400, 49980474), (450, 44427088), (480, 41650395), (600, 33320316), (720, 27766930), (800, 24990237), (900, 22213544), (1200, 16660158), (1303, 15343200), (1440, 13883465), (1800, 11106772), (2131, 9381600), (2400, 8330079), (2606, 7671600), (3600, 5553386), (3909, 5114400), (4262, 4690800), (5212, 3835800), (6393, 3127200), (6515, 3068640), (7200, 2776693), (7818, 2557200), (8524, 2345400), (10424, 1917900), (10655, 1876320), (11727, 1704800), (12786, 1563600), (13030, 1534320), (15636, 1278600), (17048, 1172700), (19179, 1042400), (19545, 1022880), (20848, 958950), (21310, 938160), (23454, 852400), (25572, 781800), (26060, 767160), (31272, 639300), (31965, 625440), (32575, 613728), (34096, 586350), (38358, 521200), (39090, 511440), (41696, 479475), (42620, 469080), (46908, 426200), (51144, 390900), (52120, 383580), (53275, 375264), (58635, 340960), (62544, 319650), (63930, 312720), (65150, 306864), (68192, 293175), (76716, 260600), (78180, 255720), (85240, 234540), (93816, 213100), (95895, 208480), (97725, 204576), (102288, 195450), (104240, 191790), (106550, 187632), (117270, 170480), (125088, 159825), (127860, 156360), (130300, 153432)]