30636680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{797}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 71317260

約数和(自身を除く): 40680580

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 797, 961, 1240, 1594, 1922, 3188, 3844, 3985, 4805, 6376, 7688, 7970, 9610, 15940, 19220, 24707, 31880, 38440, 49414, 98828, 123535, 197656, 247070, 494140, 765917, 988280, 1531834, 3063668, 3829585, 6127336, 7659170, 15318340, 30636680]

約数ペア:

[(1, 30636680), (2, 15318340), (4, 7659170), (5, 6127336), (8, 3829585), (10, 3063668), (20, 1531834), (31, 988280), (40, 765917), (62, 494140), (124, 247070), (155, 197656), (248, 123535), (310, 98828), (620, 49414), (797, 38440), (961, 31880), (1240, 24707), (1594, 19220), (1922, 15940), (3188, 9610), (3844, 7970), (3985, 7688), (4805, 6376)]