138220680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:631

約数の個数: 128

約数和(自身を含む): 449608320

約数和(自身を除く): 311387640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 251, 260, 312, 353, 390, 502, 520, 706, 753, 780, 1004, 1059, 1255, 1412, 1506, 1560, 1765, 2008, 2118, 2510, 2824, 3012, 3263, 3530, 3765, 4236, 4589, 5020, 5295, 6024, 6526, 7060, 7530, 8472, 9178, 9789, 10040, 10590, 13052, 13767, 14120, 15060, 16315, 18356, 19578, 21180, 22945, 26104, 27534, 30120, 32630, 36712, 39156, 42360, 45890, 48945, 55068, 65260, 68835, 78312, 88603, 91780, 97890, 110136, 130520, 137670, 177206, 183560, 195780, 265809, 275340, 354412, 391560, 443015, 531618, 550680, 708824, 886030, 1063236, 1151839, 1329045, 1772060, 2126472, 2303678, 2658090, 3455517, 3544120, 4607356, 5316180, 5759195, 6911034, 9214712, 10632360, 11518390, 13822068, 17277585, 23036780, 27644136, 34555170, 46073560, 69110340, 138220680]

約数ペア:

[(1, 138220680), (2, 69110340), (3, 46073560), (4, 34555170), (5, 27644136), (6, 23036780), (8, 17277585), (10, 13822068), (12, 11518390), (13, 10632360), (15, 9214712), (20, 6911034), (24, 5759195), (26, 5316180), (30, 4607356), (39, 3544120), (40, 3455517), (52, 2658090), (60, 2303678), (65, 2126472), (78, 1772060), (104, 1329045), (120, 1151839), (130, 1063236), (156, 886030), (195, 708824), (251, 550680), (260, 531618), (312, 443015), (353, 391560), (390, 354412), (502, 275340), (520, 265809), (706, 195780), (753, 183560), (780, 177206), (1004, 137670), (1059, 130520), (1255, 110136), (1412, 97890), (1506, 91780), (1560, 88603), (1765, 78312), (2008, 68835), (2118, 65260), (2510, 55068), (2824, 48945), (3012, 45890), (3263, 42360), (3530, 39156), (3765, 36712), (4236, 32630), (4589, 30120), (5020, 27534), (5295, 26104), (6024, 22945), (6526, 21180), (7060, 19578), (7530, 18356), (8472, 16315), (9178, 15060), (9789, 14120), (10040, 13767), (10590, 13052)]