171257940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19417}}^1$

素因数の和:19446

約数の個数: 108

約数和(自身を含む): 604326996

約数和(自身を除く): 433069056

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 19417, 38834, 58251, 77668, 97085, 116502, 135919, 174753, 194170, 233004, 271838, 291255, 349506, 388340, 407757, 543676, 582510, 679595, 699012, 815514, 873765, 951433, 1165020, 1223271, 1359190, 1631028, 1747530, 1902866, 2038785, 2446542, 2718380, 2854299, 3495060, 3805732, 4077570, 4757165, 4893084, 5708598, 6116355, 8155140, 8562897, 9514330, 11417196, 12232710, 14271495, 17125794, 19028660, 24465420, 28542990, 34251588, 42814485, 57085980, 85628970, 171257940]

約数ペア:

[(1, 171257940), (2, 85628970), (3, 57085980), (4, 42814485), (5, 34251588), (6, 28542990), (7, 24465420), (9, 19028660), (10, 17125794), (12, 14271495), (14, 12232710), (15, 11417196), (18, 9514330), (20, 8562897), (21, 8155140), (28, 6116355), (30, 5708598), (35, 4893084), (36, 4757165), (42, 4077570), (45, 3805732), (49, 3495060), (60, 2854299), (63, 2718380), (70, 2446542), (84, 2038785), (90, 1902866), (98, 1747530), (105, 1631028), (126, 1359190), (140, 1223271), (147, 1165020), (180, 951433), (196, 873765), (210, 815514), (245, 699012), (252, 679595), (294, 582510), (315, 543676), (420, 407757), (441, 388340), (490, 349506), (588, 291255), (630, 271838), (735, 233004), (882, 194170), (980, 174753), (1260, 135919), (1470, 116502), (1764, 97085), (2205, 77668), (2940, 58251), (4410, 38834), (8820, 19417)]