15457840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 38854656

約数和(自身を除く): 23396816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 271, 310, 368, 460, 496, 542, 620, 713, 920, 1084, 1240, 1355, 1426, 1840, 2168, 2480, 2710, 2852, 3565, 4336, 5420, 5704, 6233, 7130, 8401, 10840, 11408, 12466, 14260, 16802, 21680, 24932, 28520, 31165, 33604, 42005, 49864, 57040, 62330, 67208, 84010, 99728, 124660, 134416, 168020, 193223, 249320, 336040, 386446, 498640, 672080, 772892, 966115, 1545784, 1932230, 3091568, 3864460, 7728920, 15457840]

約数ペア:

[(1, 15457840), (2, 7728920), (4, 3864460), (5, 3091568), (8, 1932230), (10, 1545784), (16, 966115), (20, 772892), (23, 672080), (31, 498640), (40, 386446), (46, 336040), (62, 249320), (80, 193223), (92, 168020), (115, 134416), (124, 124660), (155, 99728), (184, 84010), (230, 67208), (248, 62330), (271, 57040), (310, 49864), (368, 42005), (460, 33604), (496, 31165), (542, 28520), (620, 24932), (713, 21680), (920, 16802), (1084, 14260), (1240, 12466), (1355, 11408), (1426, 10840), (1840, 8401), (2168, 7130), (2480, 6233), (2710, 5704), (2852, 5420), (3565, 4336)]