168905360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^2$

素因数の和:114

約数の個数: 120

約数和(自身を含む): 439581240

約数和(自身を除く): 270675880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 338, 403, 496, 520, 620, 676, 806, 845, 961, 1040, 1240, 1352, 1612, 1690, 1922, 2015, 2197, 2480, 2704, 3224, 3380, 3844, 4030, 4394, 4805, 5239, 6448, 6760, 7688, 8060, 8788, 9610, 10478, 10985, 12493, 13520, 15376, 16120, 17576, 19220, 20956, 21970, 24986, 26195, 32240, 35152, 38440, 41912, 43940, 49972, 52390, 62465, 68107, 76880, 83824, 87880, 99944, 104780, 124930, 136214, 162409, 175760, 199888, 209560, 249860, 272428, 324818, 340535, 419120, 499720, 544856, 649636, 681070, 812045, 999440, 1089712, 1299272, 1362140, 1624090, 2111317, 2598544, 2724280, 3248180, 4222634, 5448560, 6496360, 8445268, 10556585, 12992720, 16890536, 21113170, 33781072, 42226340, 84452680, 168905360]

約数ペア:

[(1, 168905360), (2, 84452680), (4, 42226340), (5, 33781072), (8, 21113170), (10, 16890536), (13, 12992720), (16, 10556585), (20, 8445268), (26, 6496360), (31, 5448560), (40, 4222634), (52, 3248180), (62, 2724280), (65, 2598544), (80, 2111317), (104, 1624090), (124, 1362140), (130, 1299272), (155, 1089712), (169, 999440), (208, 812045), (248, 681070), (260, 649636), (310, 544856), (338, 499720), (403, 419120), (496, 340535), (520, 324818), (620, 272428), (676, 249860), (806, 209560), (845, 199888), (961, 175760), (1040, 162409), (1240, 136214), (1352, 124930), (1612, 104780), (1690, 99944), (1922, 87880), (2015, 83824), (2197, 76880), (2480, 68107), (2704, 62465), (3224, 52390), (3380, 49972), (3844, 43940), (4030, 41912), (4394, 38440), (4805, 35152), (5239, 32240), (6448, 26195), (6760, 24986), (7688, 21970), (8060, 20956), (8788, 19220), (9610, 17576), (10478, 16120), (10985, 15376), (12493, 13520)]