30487880

素因数分解:

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

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 73958400

約数和(自身を除く): 43470520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1069, 1240, 1426, 2138, 2852, 3565, 4276, 5345, 5704, 7130, 8552, 10690, 14260, 21380, 24587, 28520, 33139, 42760, 49174, 66278, 98348, 122935, 132556, 165695, 196696, 245870, 265112, 331390, 491740, 662780, 762197, 983480, 1325560, 1524394, 3048788, 3810985, 6097576, 7621970, 15243940, 30487880]

約数ペア:

[(1, 30487880), (2, 15243940), (4, 7621970), (5, 6097576), (8, 3810985), (10, 3048788), (20, 1524394), (23, 1325560), (31, 983480), (40, 762197), (46, 662780), (62, 491740), (92, 331390), (115, 265112), (124, 245870), (155, 196696), (184, 165695), (230, 132556), (248, 122935), (310, 98348), (460, 66278), (620, 49174), (713, 42760), (920, 33139), (1069, 28520), (1240, 24587), (1426, 21380), (2138, 14260), (2852, 10690), (3565, 8552), (4276, 7130), (5345, 5704)]