240115460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^4$

素因数の和:146

約数の個数: 60

約数和(自身を含む): 561131340

約数和(自身を除く): 321015880

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1612, 1922, 2015, 3844, 4030, 4805, 8060, 9610, 12493, 19220, 24986, 29791, 49972, 59582, 62465, 119164, 124930, 148955, 249860, 297910, 387283, 595820, 774566, 923521, 1549132, 1847042, 1936415, 3694084, 3872830, 4617605, 7745660, 9235210, 12005773, 18470420, 24011546, 48023092, 60028865, 120057730, 240115460]

約数ペア:

[(1, 240115460), (2, 120057730), (4, 60028865), (5, 48023092), (10, 24011546), (13, 18470420), (20, 12005773), (26, 9235210), (31, 7745660), (52, 4617605), (62, 3872830), (65, 3694084), (124, 1936415), (130, 1847042), (155, 1549132), (260, 923521), (310, 774566), (403, 595820), (620, 387283), (806, 297910), (961, 249860), (1612, 148955), (1922, 124930), (2015, 119164), (3844, 62465), (4030, 59582), (4805, 49972), (8060, 29791), (9610, 24986), (12493, 19220)]