158356240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 160

約数和(自身を含む): 446400000

約数和(自身を除く): 288043760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 199, 203, 232, 245, 280, 290, 343, 392, 398, 406, 464, 490, 560, 580, 686, 784, 796, 812, 980, 995, 1015, 1160, 1372, 1393, 1421, 1592, 1624, 1715, 1960, 1990, 2030, 2320, 2744, 2786, 2842, 3184, 3248, 3430, 3920, 3980, 4060, 5488, 5572, 5684, 5771, 6860, 6965, 7105, 7960, 8120, 9751, 9947, 11144, 11368, 11542, 13720, 13930, 14210, 15920, 16240, 19502, 19894, 22288, 22736, 23084, 27440, 27860, 28420, 28855, 39004, 39788, 40397, 46168, 48755, 49735, 55720, 56840, 57710, 68257, 78008, 79576, 80794, 92336, 97510, 99470, 111440, 113680, 115420, 136514, 156016, 159152, 161588, 195020, 198940, 201985, 230840, 273028, 282779, 323176, 341285, 390040, 397880, 403970, 461680, 546056, 565558, 646352, 682570, 780080, 795760, 807940, 1092112, 1131116, 1365140, 1413895, 1615880, 1979453, 2262232, 2730280, 2827790, 3231760, 3958906, 4524464, 5460560, 5655580, 7917812, 9897265, 11311160, 15835624, 19794530, 22622320, 31671248, 39589060, 79178120, 158356240]

約数ペア:

[(1, 158356240), (2, 79178120), (4, 39589060), (5, 31671248), (7, 22622320), (8, 19794530), (10, 15835624), (14, 11311160), (16, 9897265), (20, 7917812), (28, 5655580), (29, 5460560), (35, 4524464), (40, 3958906), (49, 3231760), (56, 2827790), (58, 2730280), (70, 2262232), (80, 1979453), (98, 1615880), (112, 1413895), (116, 1365140), (140, 1131116), (145, 1092112), (196, 807940), (199, 795760), (203, 780080), (232, 682570), (245, 646352), (280, 565558), (290, 546056), (343, 461680), (392, 403970), (398, 397880), (406, 390040), (464, 341285), (490, 323176), (560, 282779), (580, 273028), (686, 230840), (784, 201985), (796, 198940), (812, 195020), (980, 161588), (995, 159152), (1015, 156016), (1160, 136514), (1372, 115420), (1393, 113680), (1421, 111440), (1592, 99470), (1624, 97510), (1715, 92336), (1960, 80794), (1990, 79576), (2030, 78008), (2320, 68257), (2744, 57710), (2786, 56840), (2842, 55720), (3184, 49735), (3248, 48755), (3430, 46168), (3920, 40397), (3980, 39788), (4060, 39004), (5488, 28855), (5572, 28420), (5684, 27860), (5771, 27440), (6860, 23084), (6965, 22736), (7105, 22288), (7960, 19894), (8120, 19502), (9751, 16240), (9947, 15920), (11144, 14210), (11368, 13930), (11542, 13720)]