240397020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1697}}^1$

素因数の和:2499

約数の個数: 72

約数和(自身を含む): 730561104

約数和(自身を除く): 490164084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 787, 1574, 1697, 2361, 3148, 3394, 3935, 4722, 5091, 6788, 7083, 7870, 8485, 9444, 10182, 11805, 14166, 15273, 15740, 16970, 20364, 23610, 25455, 28332, 30546, 33940, 35415, 47220, 50910, 61092, 70830, 76365, 101820, 141660, 152730, 305460, 1335539, 2671078, 4006617, 5342156, 6677695, 8013234, 12019851, 13355390, 16026468, 20033085, 24039702, 26710780, 40066170, 48079404, 60099255, 80132340, 120198510, 240397020]

約数ペア:

[(1, 240397020), (2, 120198510), (3, 80132340), (4, 60099255), (5, 48079404), (6, 40066170), (9, 26710780), (10, 24039702), (12, 20033085), (15, 16026468), (18, 13355390), (20, 12019851), (30, 8013234), (36, 6677695), (45, 5342156), (60, 4006617), (90, 2671078), (180, 1335539), (787, 305460), (1574, 152730), (1697, 141660), (2361, 101820), (3148, 76365), (3394, 70830), (3935, 61092), (4722, 50910), (5091, 47220), (6788, 35415), (7083, 33940), (7870, 30546), (8485, 28332), (9444, 25455), (10182, 23610), (11805, 20364), (14166, 16970), (15273, 15740)]