80545905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 163537920

約数和(自身を除く): 82992015

約数列:

[1, 3, 5, 9, 11, 15, 29, 31, 33, 45, 55, 87, 93, 99, 145, 155, 165, 181, 261, 279, 319, 341, 435, 465, 495, 543, 899, 905, 957, 1023, 1305, 1395, 1595, 1629, 1705, 1991, 2697, 2715, 2871, 3069, 4495, 4785, 5115, 5249, 5611, 5973, 8091, 8145, 9889, 9955, 13485, 14355, 15345, 15747, 16833, 17919, 26245, 28055, 29667, 29865, 40455, 47241, 49445, 50499, 57739, 61721, 78735, 84165, 89001, 89595, 148335, 162719, 173217, 185163, 236205, 252495, 288695, 308605, 445005, 488157, 519651, 555489, 813595, 866085, 925815, 1464471, 1789909, 2440785, 2598255, 2777445, 5369727, 7322355, 8949545, 16109181, 26848635, 80545905]

約数ペア:

[(1, 80545905), (3, 26848635), (5, 16109181), (9, 8949545), (11, 7322355), (15, 5369727), (29, 2777445), (31, 2598255), (33, 2440785), (45, 1789909), (55, 1464471), (87, 925815), (93, 866085), (99, 813595), (145, 555489), (155, 519651), (165, 488157), (181, 445005), (261, 308605), (279, 288695), (319, 252495), (341, 236205), (435, 185163), (465, 173217), (495, 162719), (543, 148335), (899, 89595), (905, 89001), (957, 84165), (1023, 78735), (1305, 61721), (1395, 57739), (1595, 50499), (1629, 49445), (1705, 47241), (1991, 40455), (2697, 29865), (2715, 29667), (2871, 28055), (3069, 26245), (4495, 17919), (4785, 16833), (5115, 15747), (5249, 15345), (5611, 14355), (5973, 13485), (8091, 9955), (8145, 9889)]