84640770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21871}}^1$

素因数の和:21927

約数の個数: 48

約数和(自身を含む): 225194112

約数和(自身を除く): 140553342

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 21871, 43742, 65613, 109355, 131226, 196839, 218710, 328065, 393678, 656130, 940453, 984195, 1880906, 1968390, 2821359, 4702265, 5642718, 8464077, 9404530, 14106795, 16928154, 28213590, 42320385, 84640770]

約数ペア:

[(1, 84640770), (2, 42320385), (3, 28213590), (5, 16928154), (6, 14106795), (9, 9404530), (10, 8464077), (15, 5642718), (18, 4702265), (30, 2821359), (43, 1968390), (45, 1880906), (86, 984195), (90, 940453), (129, 656130), (215, 393678), (258, 328065), (387, 218710), (430, 196839), (645, 131226), (774, 109355), (1290, 65613), (1935, 43742), (3870, 21871)]