82871991.000000000

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{4177}}^1$

素因数の和:4550

約数の個数: 64

約数和(自身を含む): 541468800

約数和(自身を除く): 361523640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 359, 718, 1077, 1436, 1795, 2154, 2872, 3590, 4177, 4308, 5385, 7180, 8354, 8616, 10770, 12531, 14360, 16708, 20885, 21540, 25062, 33416, 41770, 43080, 50124, 62655, 83540, 100248, 125310, 167080, 250620, 501240, 1499543, 2999086, 4498629, 5998172, 7497715, 8997258, 11996344, 14995430, 17994516, 22493145, 29990860, 35989032, 44986290, 59981720, 89972580, 179945160]

約数ペア:

[(1, 179945160), (2, 89972580), (3, 59981720), (4, 44986290), (5, 35989032), (6, 29990860), (8, 22493145), (10, 17994516), (12, 14995430), (15, 11996344), (20, 8997258), (24, 7497715), (30, 5998172), (40, 4498629), (60, 2999086), (120, 1499543), (359, 501240), (718, 250620), (1077, 167080), (1436, 125310), (1795, 100248), (2154, 83540), (2872, 62655), (3590, 50124), (4177, 43080), (4308, 41770), (5385, 33416), (7180, 25062), (8354, 21540), (8616, 20885), (10770, 16708), (12531, 14360)]