155243340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123209}}^1$

素因数の和:123231

約数の個数: 72

約数和(自身を含む): 538181280

約数和(自身を除く): 382937940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123209, 246418, 369627, 492836, 616045, 739254, 862463, 1108881, 1232090, 1478508, 1724926, 1848135, 2217762, 2464180, 2587389, 3449852, 3696270, 4312315, 4435524, 5174778, 5544405, 7392540, 7762167, 8624630, 10349556, 11088810, 12936945, 15524334, 17249260, 22177620, 25873890, 31048668, 38810835, 51747780, 77621670, 155243340]

約数ペア:

[(1, 155243340), (2, 77621670), (3, 51747780), (4, 38810835), (5, 31048668), (6, 25873890), (7, 22177620), (9, 17249260), (10, 15524334), (12, 12936945), (14, 11088810), (15, 10349556), (18, 8624630), (20, 7762167), (21, 7392540), (28, 5544405), (30, 5174778), (35, 4435524), (36, 4312315), (42, 3696270), (45, 3449852), (60, 2587389), (63, 2464180), (70, 2217762), (84, 1848135), (90, 1724926), (105, 1478508), (126, 1232090), (140, 1108881), (180, 862463), (210, 739254), (252, 616045), (315, 492836), (420, 369627), (630, 246418), (1260, 123209)]