79178120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 216000000

約数和(自身を除く): 136821880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 199, 203, 232, 245, 280, 290, 343, 392, 398, 406, 490, 580, 686, 796, 812, 980, 995, 1015, 1160, 1372, 1393, 1421, 1592, 1624, 1715, 1960, 1990, 2030, 2744, 2786, 2842, 3430, 3980, 4060, 5572, 5684, 5771, 6860, 6965, 7105, 7960, 8120, 9751, 9947, 11144, 11368, 11542, 13720, 13930, 14210, 19502, 19894, 23084, 27860, 28420, 28855, 39004, 39788, 40397, 46168, 48755, 49735, 55720, 56840, 57710, 68257, 78008, 79576, 80794, 97510, 99470, 115420, 136514, 161588, 195020, 198940, 201985, 230840, 273028, 282779, 323176, 341285, 390040, 397880, 403970, 546056, 565558, 682570, 807940, 1131116, 1365140, 1413895, 1615880, 1979453, 2262232, 2730280, 2827790, 3958906, 5655580, 7917812, 9897265, 11311160, 15835624, 19794530, 39589060, 79178120]

約数ペア:

[(1, 79178120), (2, 39589060), (4, 19794530), (5, 15835624), (7, 11311160), (8, 9897265), (10, 7917812), (14, 5655580), (20, 3958906), (28, 2827790), (29, 2730280), (35, 2262232), (40, 1979453), (49, 1615880), (56, 1413895), (58, 1365140), (70, 1131116), (98, 807940), (116, 682570), (140, 565558), (145, 546056), (196, 403970), (199, 397880), (203, 390040), (232, 341285), (245, 323176), (280, 282779), (290, 273028), (343, 230840), (392, 201985), (398, 198940), (406, 195020), (490, 161588), (580, 136514), (686, 115420), (796, 99470), (812, 97510), (980, 80794), (995, 79576), (1015, 78008), (1160, 68257), (1372, 57710), (1393, 56840), (1421, 55720), (1592, 49735), (1624, 48755), (1715, 46168), (1960, 40397), (1990, 39788), (2030, 39004), (2744, 28855), (2786, 28420), (2842, 27860), (3430, 23084), (3980, 19894), (4060, 19502), (5572, 14210), (5684, 13930), (5771, 13720), (6860, 11542), (6965, 11368), (7105, 11144), (7960, 9947), (8120, 9751)]