320128020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{449}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 1034888400

約数和(自身を除く): 714760380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 233, 255, 306, 340, 449, 466, 510, 612, 699, 765, 898, 932, 1020, 1165, 1347, 1398, 1530, 1796, 2097, 2245, 2330, 2694, 2796, 3060, 3495, 3961, 4041, 4194, 4490, 4660, 5388, 6735, 6990, 7633, 7922, 8082, 8388, 8980, 10485, 11883, 13470, 13980, 15266, 15844, 16164, 19805, 20205, 20970, 22899, 23766, 26940, 30532, 35649, 38165, 39610, 40410, 41940, 45798, 47532, 59415, 68697, 71298, 76330, 79220, 80820, 91596, 104617, 114495, 118830, 137394, 142596, 152660, 178245, 209234, 228990, 237660, 274788, 313851, 343485, 356490, 418468, 457980, 523085, 627702, 686970, 712980, 941553, 1046170, 1255404, 1373940, 1569255, 1778489, 1883106, 2092340, 3138510, 3556978, 3766212, 4707765, 5335467, 6277020, 7113956, 8892445, 9415530, 10670934, 16006401, 17784890, 18831060, 21341868, 26677335, 32012802, 35569780, 53354670, 64025604, 80032005, 106709340, 160064010, 320128020]

約数ペア:

[(1, 320128020), (2, 160064010), (3, 106709340), (4, 80032005), (5, 64025604), (6, 53354670), (9, 35569780), (10, 32012802), (12, 26677335), (15, 21341868), (17, 18831060), (18, 17784890), (20, 16006401), (30, 10670934), (34, 9415530), (36, 8892445), (45, 7113956), (51, 6277020), (60, 5335467), (68, 4707765), (85, 3766212), (90, 3556978), (102, 3138510), (153, 2092340), (170, 1883106), (180, 1778489), (204, 1569255), (233, 1373940), (255, 1255404), (306, 1046170), (340, 941553), (449, 712980), (466, 686970), (510, 627702), (612, 523085), (699, 457980), (765, 418468), (898, 356490), (932, 343485), (1020, 313851), (1165, 274788), (1347, 237660), (1398, 228990), (1530, 209234), (1796, 178245), (2097, 152660), (2245, 142596), (2330, 137394), (2694, 118830), (2796, 114495), (3060, 104617), (3495, 91596), (3961, 80820), (4041, 79220), (4194, 76330), (4490, 71298), (4660, 68697), (5388, 59415), (6735, 47532), (6990, 45798), (7633, 41940), (7922, 40410), (8082, 39610), (8388, 38165), (8980, 35649), (10485, 30532), (11883, 26940), (13470, 23766), (13980, 22899), (15266, 20970), (15844, 20205), (16164, 19805)]