86405580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6761}}^1$

素因数の和:6847

約数の個数: 72

約数和(自身を含む): 265827744

約数和(自身を除く): 179422164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6761, 12780, 13522, 20283, 27044, 33805, 40566, 60849, 67610, 81132, 101415, 121698, 135220, 202830, 243396, 304245, 405660, 480031, 608490, 960062, 1216980, 1440093, 1920124, 2400155, 2880186, 4320279, 4800310, 5760372, 7200465, 8640558, 9600620, 14400930, 17281116, 21601395, 28801860, 43202790, 86405580]

約数ペア:

[(1, 86405580), (2, 43202790), (3, 28801860), (4, 21601395), (5, 17281116), (6, 14400930), (9, 9600620), (10, 8640558), (12, 7200465), (15, 5760372), (18, 4800310), (20, 4320279), (30, 2880186), (36, 2400155), (45, 1920124), (60, 1440093), (71, 1216980), (90, 960062), (142, 608490), (180, 480031), (213, 405660), (284, 304245), (355, 243396), (426, 202830), (639, 135220), (710, 121698), (852, 101415), (1065, 81132), (1278, 67610), (1420, 60849), (2130, 40566), (2556, 33805), (3195, 27044), (4260, 20283), (6390, 13522), (6761, 12780)]