72154400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 191237760

約数和(自身を除く): 119083360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 47, 50, 76, 80, 94, 95, 100, 101, 152, 160, 188, 190, 200, 202, 235, 304, 376, 380, 400, 404, 470, 475, 505, 608, 752, 760, 800, 808, 893, 940, 950, 1010, 1175, 1504, 1520, 1616, 1786, 1880, 1900, 1919, 2020, 2350, 2525, 3040, 3232, 3572, 3760, 3800, 3838, 4040, 4465, 4700, 4747, 5050, 7144, 7520, 7600, 7676, 8080, 8930, 9400, 9494, 9595, 10100, 14288, 15200, 15352, 16160, 17860, 18800, 18988, 19190, 20200, 22325, 23735, 28576, 30704, 35720, 37600, 37976, 38380, 40400, 44650, 47470, 47975, 61408, 71440, 75952, 76760, 80800, 89300, 90193, 94940, 95950, 118675, 142880, 151904, 153520, 178600, 180386, 189880, 191900, 237350, 307040, 357200, 360772, 379760, 383800, 450965, 474700, 714400, 721544, 759520, 767600, 901930, 949400, 1443088, 1535200, 1803860, 1898800, 2254825, 2886176, 3607720, 3797600, 4509650, 7215440, 9019300, 14430880, 18038600, 36077200, 72154400]

約数ペア:

[(1, 72154400), (2, 36077200), (4, 18038600), (5, 14430880), (8, 9019300), (10, 7215440), (16, 4509650), (19, 3797600), (20, 3607720), (25, 2886176), (32, 2254825), (38, 1898800), (40, 1803860), (47, 1535200), (50, 1443088), (76, 949400), (80, 901930), (94, 767600), (95, 759520), (100, 721544), (101, 714400), (152, 474700), (160, 450965), (188, 383800), (190, 379760), (200, 360772), (202, 357200), (235, 307040), (304, 237350), (376, 191900), (380, 189880), (400, 180386), (404, 178600), (470, 153520), (475, 151904), (505, 142880), (608, 118675), (752, 95950), (760, 94940), (800, 90193), (808, 89300), (893, 80800), (940, 76760), (950, 75952), (1010, 71440), (1175, 61408), (1504, 47975), (1520, 47470), (1616, 44650), (1786, 40400), (1880, 38380), (1900, 37976), (1919, 37600), (2020, 35720), (2350, 30704), (2525, 28576), (3040, 23735), (3232, 22325), (3572, 20200), (3760, 19190), (3800, 18988), (3838, 18800), (4040, 17860), (4465, 16160), (4700, 15352), (4747, 15200), (5050, 14288), (7144, 10100), (7520, 9595), (7600, 9494), (7676, 9400), (8080, 8930)]