128645532

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 341228160

約数和(自身を除く): 212582628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 251, 276, 414, 502, 619, 753, 828, 1004, 1238, 1506, 1857, 2259, 2476, 3012, 3714, 4518, 5571, 5773, 7428, 9036, 11142, 11546, 14237, 17319, 22284, 23092, 28474, 34638, 42711, 51957, 56948, 69276, 85422, 103914, 128133, 155369, 170844, 207828, 256266, 310738, 466107, 512532, 621476, 932214, 1398321, 1864428, 2796642, 3573487, 5593284, 7146974, 10720461, 14293948, 21440922, 32161383, 42881844, 64322766, 128645532]

約数ペア:

[(1, 128645532), (2, 64322766), (3, 42881844), (4, 32161383), (6, 21440922), (9, 14293948), (12, 10720461), (18, 7146974), (23, 5593284), (36, 3573487), (46, 2796642), (69, 1864428), (92, 1398321), (138, 932214), (207, 621476), (251, 512532), (276, 466107), (414, 310738), (502, 256266), (619, 207828), (753, 170844), (828, 155369), (1004, 128133), (1238, 103914), (1506, 85422), (1857, 69276), (2259, 56948), (2476, 51957), (3012, 42711), (3714, 34638), (4518, 28474), (5571, 23092), (5773, 22284), (7428, 17319), (9036, 14237), (11142, 11546)]