2154302080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25309}}^1$

素因数の和:25354

約数の個数: 128

約数和(自身を含む): 6195888000

約数和(自身を除く): 4041585920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2432, 2660, 3040, 4256, 4480, 5320, 6080, 8512, 10640, 12160, 17024, 21280, 25309, 42560, 50618, 85120, 101236, 126545, 177163, 202472, 253090, 354326, 404944, 480871, 506180, 708652, 809888, 885815, 961742, 1012360, 1417304, 1619776, 1771630, 1923484, 2024720, 2404355, 2834608, 3239552, 3366097, 3543260, 3846968, 4049440, 4808710, 5669216, 6732194, 7086520, 7693936, 8098880, 9617420, 11338432, 13464388, 14173040, 15387872, 16197760, 16830485, 19234840, 22676864, 26928776, 28346080, 30775744, 33660970, 38469680, 53857552, 56692160, 61551488, 67321940, 76939360, 107715104, 113384320, 134643880, 153878720, 215430208, 269287760, 307757440, 430860416, 538575520, 1077151040, 2154302080]

約数ペア:

[(1, 2154302080), (2, 1077151040), (4, 538575520), (5, 430860416), (7, 307757440), (8, 269287760), (10, 215430208), (14, 153878720), (16, 134643880), (19, 113384320), (20, 107715104), (28, 76939360), (32, 67321940), (35, 61551488), (38, 56692160), (40, 53857552), (56, 38469680), (64, 33660970), (70, 30775744), (76, 28346080), (80, 26928776), (95, 22676864), (112, 19234840), (128, 16830485), (133, 16197760), (140, 15387872), (152, 14173040), (160, 13464388), (190, 11338432), (224, 9617420), (266, 8098880), (280, 7693936), (304, 7086520), (320, 6732194), (380, 5669216), (448, 4808710), (532, 4049440), (560, 3846968), (608, 3543260), (640, 3366097), (665, 3239552), (760, 2834608), (896, 2404355), (1064, 2024720), (1120, 1923484), (1216, 1771630), (1330, 1619776), (1520, 1417304), (2128, 1012360), (2240, 961742), (2432, 885815), (2660, 809888), (3040, 708652), (4256, 506180), (4480, 480871), (5320, 404944), (6080, 354326), (8512, 253090), (10640, 202472), (12160, 177163), (17024, 126545), (21280, 101236), (25309, 85120), (42560, 50618)]