72340515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3989}}^1$

素因数の和:4044

約数の個数: 48

約数和(自身を含む): 139426560

約数和(自身を除く): 67086045

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 1209, 1395, 2015, 3627, 3989, 6045, 11967, 18135, 19945, 35901, 51857, 59835, 123659, 155571, 179505, 259285, 370977, 466713, 618295, 777855, 1112931, 1607567, 1854885, 2333565, 4822701, 5564655, 8037835, 14468103, 24113505, 72340515]

約数ペア:

[(1, 72340515), (3, 24113505), (5, 14468103), (9, 8037835), (13, 5564655), (15, 4822701), (31, 2333565), (39, 1854885), (45, 1607567), (65, 1112931), (93, 777855), (117, 618295), (155, 466713), (195, 370977), (279, 259285), (403, 179505), (465, 155571), (585, 123659), (1209, 59835), (1395, 51857), (2015, 35901), (3627, 19945), (3989, 18135), (6045, 11967)]