240679980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2029}}^1$

素因数の和:2703

約数の個数: 72

約数和(自身を含む): 731530800

約数和(自身を除く): 490850820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 659, 1318, 1977, 2029, 2636, 3295, 3954, 4058, 5931, 6087, 6590, 7908, 8116, 9885, 10145, 11862, 12174, 13180, 18261, 19770, 20290, 23724, 24348, 29655, 30435, 36522, 39540, 40580, 59310, 60870, 73044, 91305, 118620, 121740, 182610, 365220, 1337111, 2674222, 4011333, 5348444, 6685555, 8022666, 12033999, 13371110, 16045332, 20056665, 24067998, 26742220, 40113330, 48135996, 60169995, 80226660, 120339990, 240679980]

約数ペア:

[(1, 240679980), (2, 120339990), (3, 80226660), (4, 60169995), (5, 48135996), (6, 40113330), (9, 26742220), (10, 24067998), (12, 20056665), (15, 16045332), (18, 13371110), (20, 12033999), (30, 8022666), (36, 6685555), (45, 5348444), (60, 4011333), (90, 2674222), (180, 1337111), (659, 365220), (1318, 182610), (1977, 121740), (2029, 118620), (2636, 91305), (3295, 73044), (3954, 60870), (4058, 59310), (5931, 40580), (6087, 39540), (6590, 36522), (7908, 30435), (8116, 29655), (9885, 24348), (10145, 23724), (11862, 20290), (12174, 19770), (13180, 18261)]