15388740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 50948352

約数和(自身を除く): 35559612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 90, 94, 102, 107, 141, 153, 170, 180, 188, 204, 214, 235, 255, 282, 306, 321, 340, 423, 428, 470, 510, 535, 564, 612, 642, 705, 765, 799, 846, 940, 963, 1020, 1070, 1284, 1410, 1530, 1598, 1605, 1692, 1819, 1926, 2115, 2140, 2397, 2820, 3060, 3196, 3210, 3638, 3852, 3995, 4230, 4794, 4815, 5029, 5457, 6420, 7191, 7276, 7990, 8460, 9095, 9588, 9630, 10058, 10914, 11985, 14382, 15087, 15980, 16371, 18190, 19260, 20116, 21828, 23970, 25145, 27285, 28764, 30174, 32742, 35955, 36380, 45261, 47940, 50290, 54570, 60348, 65484, 71910, 75435, 81855, 85493, 90522, 100580, 109140, 143820, 150870, 163710, 170986, 181044, 226305, 256479, 301740, 327420, 341972, 427465, 452610, 512958, 769437, 854930, 905220, 1025916, 1282395, 1538874, 1709860, 2564790, 3077748, 3847185, 5129580, 7694370, 15388740]

約数ペア:

[(1, 15388740), (2, 7694370), (3, 5129580), (4, 3847185), (5, 3077748), (6, 2564790), (9, 1709860), (10, 1538874), (12, 1282395), (15, 1025916), (17, 905220), (18, 854930), (20, 769437), (30, 512958), (34, 452610), (36, 427465), (45, 341972), (47, 327420), (51, 301740), (60, 256479), (68, 226305), (85, 181044), (90, 170986), (94, 163710), (102, 150870), (107, 143820), (141, 109140), (153, 100580), (170, 90522), (180, 85493), (188, 81855), (204, 75435), (214, 71910), (235, 65484), (255, 60348), (282, 54570), (306, 50290), (321, 47940), (340, 45261), (423, 36380), (428, 35955), (470, 32742), (510, 30174), (535, 28764), (564, 27285), (612, 25145), (642, 23970), (705, 21828), (765, 20116), (799, 19260), (846, 18190), (940, 16371), (963, 15980), (1020, 15087), (1070, 14382), (1284, 11985), (1410, 10914), (1530, 10058), (1598, 9630), (1605, 9588), (1692, 9095), (1819, 8460), (1926, 7990), (2115, 7276), (2140, 7191), (2397, 6420), (2820, 5457), (3060, 5029), (3196, 4815), (3210, 4794), (3638, 4230), (3852, 3995)]