213415160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1141

約数の個数: 128

約数和(自身を含む): 591667200

約数和(自身を除く): 378252040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 713, 805, 868, 920, 1069, 1085, 1240, 1288, 1426, 1610, 1736, 2138, 2170, 2852, 3220, 3565, 4276, 4340, 4991, 5345, 5704, 6440, 7130, 7483, 8552, 8680, 9982, 10690, 14260, 14966, 19964, 21380, 24587, 24955, 28520, 29932, 33139, 37415, 39928, 42760, 49174, 49910, 59864, 66278, 74830, 98348, 99820, 122935, 132556, 149660, 165695, 172109, 196696, 199640, 231973, 245870, 265112, 299320, 331390, 344218, 463946, 491740, 662780, 688436, 762197, 860545, 927892, 983480, 1159865, 1325560, 1376872, 1524394, 1721090, 1855784, 2319730, 3048788, 3442180, 3810985, 4639460, 5335379, 6097576, 6884360, 7621970, 9278920, 10670758, 15243940, 21341516, 26676895, 30487880, 42683032, 53353790, 106707580, 213415160]

約数ペア:

[(1, 213415160), (2, 106707580), (4, 53353790), (5, 42683032), (7, 30487880), (8, 26676895), (10, 21341516), (14, 15243940), (20, 10670758), (23, 9278920), (28, 7621970), (31, 6884360), (35, 6097576), (40, 5335379), (46, 4639460), (56, 3810985), (62, 3442180), (70, 3048788), (92, 2319730), (115, 1855784), (124, 1721090), (140, 1524394), (155, 1376872), (161, 1325560), (184, 1159865), (217, 983480), (230, 927892), (248, 860545), (280, 762197), (310, 688436), (322, 662780), (434, 491740), (460, 463946), (620, 344218), (644, 331390), (713, 299320), (805, 265112), (868, 245870), (920, 231973), (1069, 199640), (1085, 196696), (1240, 172109), (1288, 165695), (1426, 149660), (1610, 132556), (1736, 122935), (2138, 99820), (2170, 98348), (2852, 74830), (3220, 66278), (3565, 59864), (4276, 49910), (4340, 49174), (4991, 42760), (5345, 39928), (5704, 37415), (6440, 33139), (7130, 29932), (7483, 28520), (8552, 24955), (8680, 24587), (9982, 21380), (10690, 19964), (14260, 14966)]