240018740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 567942144

約数和(自身を除く): 327923404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 97, 124, 130, 155, 194, 260, 307, 310, 388, 403, 485, 614, 620, 806, 970, 1228, 1261, 1535, 1612, 1940, 2015, 2522, 3007, 3070, 3991, 4030, 5044, 6014, 6140, 6305, 7982, 8060, 9517, 12028, 12610, 15035, 15964, 19034, 19955, 25220, 29779, 30070, 38068, 39091, 39910, 47585, 59558, 60140, 78182, 79820, 95170, 119116, 123721, 148895, 156364, 190340, 195455, 247442, 297790, 387127, 390910, 494884, 595580, 618605, 774254, 781820, 923149, 1237210, 1548508, 1846298, 1935635, 2474420, 3692596, 3871270, 4615745, 7742540, 9231490, 12000937, 18462980, 24001874, 48003748, 60004685, 120009370, 240018740]

約数ペア:

[(1, 240018740), (2, 120009370), (4, 60004685), (5, 48003748), (10, 24001874), (13, 18462980), (20, 12000937), (26, 9231490), (31, 7742540), (52, 4615745), (62, 3871270), (65, 3692596), (97, 2474420), (124, 1935635), (130, 1846298), (155, 1548508), (194, 1237210), (260, 923149), (307, 781820), (310, 774254), (388, 618605), (403, 595580), (485, 494884), (614, 390910), (620, 387127), (806, 297790), (970, 247442), (1228, 195455), (1261, 190340), (1535, 156364), (1612, 148895), (1940, 123721), (2015, 119116), (2522, 95170), (3007, 79820), (3070, 78182), (3991, 60140), (4030, 59558), (5044, 47585), (6014, 39910), (6140, 39091), (6305, 38068), (7982, 30070), (8060, 29779), (9517, 25220), (12028, 19955), (12610, 19034), (15035, 15964)]