240365320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 621478980

約数和(自身を除く): 381113660

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 37, 40, 52, 62, 65, 74, 104, 124, 130, 148, 155, 169, 185, 248, 260, 296, 310, 338, 370, 403, 481, 520, 620, 676, 740, 806, 845, 961, 962, 1147, 1240, 1352, 1480, 1612, 1690, 1922, 1924, 2015, 2294, 2405, 3224, 3380, 3844, 3848, 4030, 4588, 4805, 4810, 5239, 5735, 6253, 6760, 7688, 8060, 9176, 9610, 9620, 10478, 11470, 12493, 12506, 14911, 16120, 19220, 19240, 20956, 22940, 24986, 25012, 26195, 29822, 31265, 35557, 38440, 41912, 45880, 49972, 50024, 52390, 59644, 62465, 62530, 71114, 74555, 99944, 104780, 119288, 124930, 125060, 142228, 149110, 162409, 177785, 193843, 209560, 249860, 250120, 284456, 298220, 324818, 355570, 387686, 462241, 499720, 596440, 649636, 711140, 775372, 812045, 924482, 969215, 1299272, 1422280, 1550744, 1624090, 1848964, 1938430, 2311205, 3248180, 3697928, 3876860, 4622410, 6009133, 6496360, 7753720, 9244820, 12018266, 18489640, 24036532, 30045665, 48073064, 60091330, 120182660, 240365320]

約数ペア:

[(1, 240365320), (2, 120182660), (4, 60091330), (5, 48073064), (8, 30045665), (10, 24036532), (13, 18489640), (20, 12018266), (26, 9244820), (31, 7753720), (37, 6496360), (40, 6009133), (52, 4622410), (62, 3876860), (65, 3697928), (74, 3248180), (104, 2311205), (124, 1938430), (130, 1848964), (148, 1624090), (155, 1550744), (169, 1422280), (185, 1299272), (248, 969215), (260, 924482), (296, 812045), (310, 775372), (338, 711140), (370, 649636), (403, 596440), (481, 499720), (520, 462241), (620, 387686), (676, 355570), (740, 324818), (806, 298220), (845, 284456), (961, 250120), (962, 249860), (1147, 209560), (1240, 193843), (1352, 177785), (1480, 162409), (1612, 149110), (1690, 142228), (1922, 125060), (1924, 124930), (2015, 119288), (2294, 104780), (2405, 99944), (3224, 74555), (3380, 71114), (3844, 62530), (3848, 62465), (4030, 59644), (4588, 52390), (4805, 50024), (4810, 49972), (5239, 45880), (5735, 41912), (6253, 38440), (6760, 35557), (7688, 31265), (8060, 29822), (9176, 26195), (9610, 25012), (9620, 24986), (10478, 22940), (11470, 20956), (12493, 19240), (12506, 19220), (14911, 16120)]